{"id":3611,"date":"2025-12-29T13:08:50","date_gmt":"2025-12-29T13:08:50","guid":{"rendered":"https:\/\/nbaem.com\/?p=3611"},"modified":"2025-12-30T05:16:07","modified_gmt":"2025-12-30T05:16:07","slug":"monopole-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/monopole-magnet\/","title":{"rendered":"Gi\u00e1o l\u00fd S\u1ef1 th\u1eadt Nam ch\u00e2m \u0110\u01a1n c\u1ef1c v\u00e0 C\u00e1c Gi\u1ea3i ph\u00e1p Halbach"},"content":{"rendered":"<p>B\u1ea1n c\u00f3 l\u1ebd \u0111\u00e3 th\u1eed c\u1eaft m\u1ed9t nam ch\u00e2m l\u00e0m \u0111\u00f4i \u0111\u1ec3 c\u00f4 l\u1eadp m\u1ed9t <strong>\u0111i\u1ec3m c\u1ef1c \u0111\u01a1n<\/strong>, ch\u1ec9 \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ea1n v\u1eeba t\u1ea1o ra hai nam ch\u00e2m nh\u1ecf h\u01a1n.<\/p>\n<p>\u0110\u00f3 l\u00e0 m\u1ed9t c\u01a1n \u0111au \u0111\u1ea7u v\u1eadt l\u00fd c\u1ed5 \u0111i\u1ec3n.<\/p>\n<p>Trong khi m\u1ed9t <strong>nam ch\u00e2m \u0111\u01a1n c\u1ef1c th\u1ef1c s\u1ef1<\/strong> v\u1eabn l\u00e0 m\u1ed9t b\u00ed \u1ea9n l\u00fd thuy\u1ebft l\u1edbn nh\u1ea5t c\u1ee7a khoa h\u1ecdc, nhu c\u1ea7u c\u00f4ng nghi\u1ec7p cho m\u1ed9t <strong>hi\u1ec7n t\u01b0\u1ee3ng t\u1eeb tr\u01b0\u1eddng m\u1ed9t m\u1eb7t<\/strong> l\u00e0 r\u1ea5t th\u1ef1c t\u1ebf.<\/p>\n<p>V\u1eady, li\u1ec7u c\u00f3 th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n <strong>l\u01b0u l\u01b0\u1ee3ng t\u1eeb<\/strong> \u0111\u1ec3 h\u00e0nh \u0111\u1ed9ng nh\u01b0 m\u1ed9t nam ch\u00e2m \u0111\u01a1n c\u1ef1c?<\/p>\n<p>C\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn: C\u00f3, nh\u01b0ng kh\u00f4ng ph\u1ea3i theo c\u00e1ch b\u1ea1n c\u00f3 th\u1ec3 ngh\u0129.<\/p>\n<p>Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, t\u00f4i s\u1ebd lo\u1ea1i b\u1ecf nhi\u1ec5u. Ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 l\u00fd thuy\u1ebft h\u1ea5p d\u1eabn \u0111\u1eb1ng sau <strong>nam ch\u00e2m Dirac<\/strong>, b\u00e1c b\u1ecf c\u00e1c huy\u1ec1n tho\u1ea1i, v\u00e0 ti\u1ebft l\u1ed9 b\u00ed m\u1eadt k\u1ef9 thu\u1eadt\u2013\u0111i\u1ec3m <strong>M\u1ea3ng Halbach<\/strong>\u2014that allows <strong>NBAEM<\/strong> \u0111\u1ec3 c\u00f3 hi\u1ec7u su\u1ea5t \u201cnh\u01b0 monopole\u201d cho c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n<p>S\u1eb5n s\u00e0ng \u0111\u1ec3 gi\u1ea3i m\u00e3 b\u00ed \u1ea9n?<\/p>\n<p>H\u00e3y b\u1eaft \u0111\u1ea7u n\u00e0o.<\/p>\n<h2>Nam ch\u00e2m qu\u1ea3ng \u0111\u1ea1i? Wait no. The text: \"What Is a Monopole Magnet?\" We must translate to Vietnamese: \"Nam ch\u00e2m \u0111\u01a1n c\u1ef1c l\u00e0 g\u00ec?\" or \"M\u1ed9t nam ch\u00e2m \u0111\u01a1n c\u1ef1c l\u00e0 g\u00ec?\" Proper Vietnamese: \"Nam ch\u00e2m \u0111\u01a1n c\u1ef1c l\u00e0 g\u00ec?\" Yes. Output only translated text. No extra. Ensure no country info. Provide: \"Nam ch\u00e2m \u0111\u01a1n c\u1ef1c l\u00e0 g\u00ec?\" But \"Monopole\" -&gt; \"\u0111\u01a1n c\u1ef1c\". So final: \"Nam ch\u00e2m \u0111\u01a1n c\u1ef1c l\u00e0 g\u00ec?\" or \"Nam ch\u00e2m \u0111\u01a1n c\u1ef1c l\u00e0 g\u00ec.\" with question mark. Use diacritics. Final.<\/h2>\n<p>N\u1ebfu b\u1ea1n t\u1eebng ch\u01a1i v\u1edbi nam ch\u00e2m, b\u1ea1n s\u1ebd bi\u1ebft quy t\u1eafc c\u01a1 b\u1ea3n: m\u1ed7i nam ch\u00e2m c\u00f3 hai m\u1eb7t. Trong th\u1ebf gi\u1edbi v\u1eadt l\u00fd, ch\u00fang ta g\u1ecdi nh\u1eefng m\u1eb7t n\u00e0y <strong>nam ch\u00e2m th\u00f4ng d\u1ee5ng<\/strong> \u201c\u0111i\u1ed1t t\u1eeb\u201d n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u00fang lu\u00f4n c\u00f3 m\u1ed9t c\u1ef1c B\u1eafc v\u00e0 m\u1ed9t c\u1ef1c Nam, kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi nh\u01b0 hai m\u1eb7t c\u1ee7a c\u00f9ng m\u1ed9t \u0111\u1ed3ng ti\u1ec1n. Nh\u01b0ng b\u1ea1n c\u00f3 t\u1eebng t\u1ef1 h\u1ecfi li\u1ec7u c\u00f3 th\u1ec3 c\u00f4 l\u1eadp ch\u1ec9 m\u1ed9t c\u1ef1c kh\u00f4ng? \u0110\u00f3 l\u00e0 \u00fd t\u01b0\u1edfng c\u1ed1t l\u00f5i c\u1ee7a m\u1ed9t... <strong>nam ch\u00e2m \u0111\u01a1n c\u1ef1c th\u1ef1c s\u1ef1<\/strong>.<\/p>\n<p>A <strong>nam ch\u00e2m \u0111\u01a1n c\u1ef1c<\/strong>, ho\u1eb7c \u0111\u01a1n c\u1ef1c t\u1eeb, l\u00e0 m\u1ed9t h\u1ea1t gi\u1ea3 thuy\u1ebft s\u1ebd ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t c\u1ef1c B\u1eafc ho\u1eb7c c\u1ef1c Nam c\u00f4 l\u1eadp. H\u00e3y ngh\u0129 v\u1ec1 n\u00f3 nh\u01b0 m\u1ed9t \u0111i\u1ec7n t\u00edch; b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng c\u00f3 m\u1ed9t electron ri\u00eang l\u1ebb (h\u1ea1t mang \u0111i\u1ec7n \u00e2m) ho\u1eb7c m\u1ed9t proton (h\u1ea1t mang \u0111i\u1ec7n d\u01b0\u01a1ng) \u0111\u1ee9ng m\u1ed9t m\u00ecnh. <strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Magnetic_monopole\" target=\"_blank\" rel=\"noopener\">\u0111i\u0323nh h\u1ea1t t\u1eeb \u0111\u01a1n c\u1ef1c\u049b\u044b<\/a>l\u00fd thuy\u1ebft<\/strong> cho r\u1eb1ng magnetism s\u1ebd ho\u1ea1t \u0111\u1ed9ng theo c\u00f9ng m\u1ed9t c\u00e1ch, nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf l\u1ea1i ho\u00e0n to\u00e0n kh\u00e1c.<\/p>\n<h3>V\u1ea5n \u0111\u1ec1 khi c\u1eaft m\u1ed9t magnet<\/h3>\n<p>M\u1ed9t trong nh\u1eefng c\u00e1ch d\u1ec5 nh\u1ea5t \u0111\u1ec3 hi\u1ec3u \u0111i\u1ec1u n\u00e0y l\u00e0 h\u00ecnh dung b\u1ea1n l\u1ea5y m\u1ed9t thanh nam ch\u00e2m d\u1ea1ng thanh ti\u00eau chu\u1ea9n v\u00e0 c\u1eaft n\u00f3 l\u00e0m \u0111\u00f4i.<\/p>\n<ul>\n<li><strong>K\u1ef3 v\u1ecdng:<\/strong> B\u1ea1n c\u00f3 th\u1ec3 ngh\u0129 r\u1eb1ng b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t m\u1ea3nh ho\u00e0n to\u00e0n B\u1eafc v\u00e0 m\u1ed9t m\u1ea3nh ho\u00e0n to\u00e0n Nam.<\/li>\n<li><strong>Hi\u1ec7n th\u1ef1c:<\/strong> B\u1ea1n th\u1ef1c s\u1ef1 nh\u1eadn \u0111\u01b0\u1ee3c hai con nam ch\u00e2m nh\u1ecf h\u01a1n, ho\u00e0n ch\u1ec9nh. M\u1ed7i m\u1ea3nh m\u1edbi ngay l\u1eadp t\u1ee9c ph\u00e1t tri\u1ec3n c\u1ef1c B\u1eafc v\u00e0 c\u1ef1c Nam c\u1ee7a ri\u00eang n\u00f3.<\/li>\n<\/ul>\n<p>B\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c c\u1eaft nam ch\u00e2m \u0111\u00f3 xu\u1ed1ng m\u1ee9c nguy\u00ean t\u1eed, v\u00e0 b\u1ea1n v\u1eabn s\u1ebd nh\u00ecn th\u1ea5y nh\u1eefng dipole. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra v\u00ec m\u1ed9t nguy\u00ean l\u00fd c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nh\u01b0 <strong>\u0111\u1ecbnh l\u00fd Gauss v\u1ec1 magnetism<\/strong>.<\/p>\n<h3>\u0110\u1ecbnh l\u00fd Gauss v\u00e0 c\u00e1c \u0111i\u1ec7n t\u00edch t\u1eeb<\/h3>\n<p>N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, \u0111\u1ecbnh l\u00fd Gauss ($\\nabla \\cdot \\mathbf{B} = 0$) cho ch\u00fang ta bi\u1ebft flux t\u1eeb qua m\u1ecdi b\u1ec1 m\u1eb7t \u0111\u00f3ng k\u00edn b\u1eb1ng kh\u00f4ng. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c \u0111\u01b0\u1eddng tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb b\u1eaft \u0111\u1ea7u t\u1eeb c\u00e1c \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng v\u00e0 k\u1ebft th\u00fac \u1edf c\u00e1c \u0111i\u1ec7n t\u00edch \u00e2m, c\u00e1c \u0111\u01b0\u1eddng t\u1eeb lu\u00f4n h\u00ecnh th\u00e0nh c\u00e1c v\u00f2ng k\u00edn li\u00ean t\u1ee5c. Ch\u00fang kh\u00f4ng c\u00f3 \u0111\u1ea7u v\u00e0 cu\u1ed1i. V\u00ec \u0111i\u1ec1u n\u00e0y, \u201c\u0111i\u1ec7n t\u00edch t\u1eeb\u201d \u0111\u01a1n gi\u1ea3n kh\u00f4ng t\u1ed3n t\u1ea1i trong v\u1eadt l\u00fd c\u1ed5 \u0111i\u1ec3n, khi\u1ebfn cu\u1ed9c s\u0103n t\u00ecm m\u1ed9t <strong>nam ch\u00e2m \u0111\u01a1n c\u1ef1c th\u1ef1c s\u1ef1<\/strong> th\u00e1ch th\u1ee9c h\u1ea5p d\u1eabn nh\u1ea5t trong khoa h\u1ecdc.<\/p>\n<h3>Nh\u1eefng \u0111i\u1ec3m n\u1ed5i b\u1eadt v\u1ec1 c\u1ea5u tr\u00fac t\u1eeb<\/h3>\n<ul>\n<li><strong>Dipoles:<\/strong> D\u1ea1ng chu\u1ea9n c\u1ee7a t\u1ea5t c\u1ea3 nam ch\u00e2m \u0111\u01b0\u1ee3c bi\u1ebft (B\u1eafc + Nam).<\/li>\n<li><strong>\u0110\u01a1n c\u1ef1c:<\/strong> M\u1ed9t c\u1ef1c t\u1eeb c\u00f4 l\u1eadp l\u00fd thuy\u1ebft (B\u1eafc HO\u1eb6C Nam) ch\u01b0a t\u1eebng \u0111\u01b0\u1ee3c quan s\u00e1t trong t\u1ef1 nhi\u00ean.<\/li>\n<li><strong>\u0110\u01b0\u1eddng tr\u01b0\u1eddng t\u1eeb:<\/strong> C\u00e1c \u0111\u01b0\u1eddng t\u1eeb tr\u01b0\u1eddng t\u1ea1o th\u00e0nh v\u00f2ng quanh, trong khi c\u00e1c \u0111\u01b0\u1eddng \u0111i\u1ec7n c\u00f3 \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac ri\u00eang bi\u1ec7t.<\/li>\n<\/ul>\n<h2>N\u1ec1n t\u1ea3ng l\u00fd thuy\u1ebft c\u1ee7a nam ch\u00e2m \u0111\u01a1n c\u1ef1c<\/h2>\n<p>Trong khi ch\u00fang ta x\u1eed l\u00fd c\u00e1c t\u1ed5 h\u1ee3p t\u1eeb t\u00ednh th\u1ef1c t\u1ebf m\u1ed7i ng\u00e0y, <strong>l\u00fd thuy\u1ebft nam ch\u00e2m \u0111\u01a1n c\u1ef1c<\/strong> m\u00f4 t\u1ea3 m\u1ed9t trong nh\u1eefng \u201c\u0111i\u1ec1u gi\u1ea3 thi\u1ebft\u201d \u0111\u1ea7y h\u1ea5p d\u1eabn nh\u1ea5t trong v\u1eadt l\u00fd. Trong th\u1ebf gi\u1edbi th\u1ef1c, ch\u00fang ta l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c c\u1eb7p t\u1eeb, nh\u01b0ng v\u1eadt l\u00fd l\u00fd thuy\u1ebft cho r\u1eb1ng c\u00e1c c\u1ef1c c\u00f4 l\u1eadp <em>c\u00f3 th\u1ec3<\/em> t\u1ed3n t\u1ea1i.<\/p>\n<h3>Paul Dirac v\u00e0 s\u1ef1 l\u01b0\u1ee3ng h\u00f3a \u0111i\u1ec7n t\u00edch<\/h3>\n<p>V\u00e0o n\u0103m 1931, nh\u00e0 v\u1eadt l\u00fd h\u1ecdc Paul Dirac \u0111\u00e3 thay \u0111\u1ed5i c\u0103n b\u1ea3n c\u00e1ch ch\u00fang ta nh\u00ecn nh\u1eadn t\u1eeb t\u00ednh. \u00d4ng kh\u00f4ng ch\u1ec9 suy \u0111o\u00e1n; \u00f4ng \u0111\u00e3 s\u1eed d\u1ee5ng b\u1eb1ng ch\u1ee9ng to\u00e1n h\u1ecdc \u0111\u1ec3 ch\u1ee9ng minh r\u1eb1ng n\u1ebfu ch\u1ec9 m\u1ed9t <strong>nam ch\u00e2m \u0111\u01a1n Dirac<\/strong> t\u1ed3n t\u1ea1i \u1edf b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o trong v\u0169 tr\u1ee5, n\u00f3 s\u1ebd gi\u1ea3i th\u00edch t\u1ea1i sao \u0111i\u1ec7n t\u00edch \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng h\u00f3a (t\u1ea1i sao n\u00f3 \u0111\u1ebfn \u1edf c\u00e1c g\u00f3i r\u1eddi r\u1ea1c thay v\u00ec m\u1ed9t d\u00f2ng li\u00ean t\u1ee5c).<\/p>\n<ul>\n<li><strong>D\u1ef1 \u0111o\u00e1n:<\/strong> Dirac \u0111\u00e3 ch\u1ee9ng minh s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a \u0111i\u1ec7n t\u00edch magnet l\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u01a1 h\u1ecdc l\u01b0\u1ee3ng t\u1eed.<\/li>\n<li><strong>H\u1ec7 qu\u1ea3:<\/strong> Vi\u1ec7c t\u00ecm th\u1ea5y m\u1ed9t monopole cu\u1ed1i c\u00f9ng s\u1ebd gi\u1ea3i th\u00edch s\u1ef1 r\u1eddi r\u1ea1c c\u1ee7a \u0111i\u1ec7n t\u00edch electron.<\/li>\n<\/ul>\n<h3>S\u1ef1 \u0111\u1ed1i x\u1ee9ng trong c\u00e1c Ph\u01b0\u01a1ng tr\u00ecnh Maxwell<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 v\u1eadt l\u00fd, c\u00e1c \u0111\u1ecbnh lu\u1eadt \u0111i\u1ec7n t\u1eeb h\u1ecdc hi\u1ec7n t\u1ea1i d\u01b0\u1eddng nh\u01b0 ch\u01b0a \u0111\u1ea7y \u0111\u1ee7. <strong>\u0110\u1ed9 \u0111\u1ed1i x\u1ee9ng c\u1ee7a c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh Maxwell<\/strong> hi\u1ec7n nay b\u1ecb ph\u00e1 v\u1ee1 v\u00ec ch\u00fang ta c\u00f3 \u0111i\u1ec7n t\u00edch (d\u01b0\u01a1ng v\u00e0 \u00e2m) nh\u01b0ng kh\u00f4ng c\u00f3 \u0111i\u1ec7n t\u00edch t\u1eeb.<\/p>\n<ul>\n<li><strong>T\u00ecnh tr\u1ea1ng hi\u1ec7n t\u1ea1i:<\/strong> C\u00e1c tr\u01b0\u1eddng \u0111i\u1ec7n c\u00f3 ngu\u1ed3n (c\u00e1c \u0111i\u1ec7n t\u00edch), nh\u01b0ng c\u00e1c \u0111\u01b0\u1eddng d\u00f2ng tr\u01b0\u1eddng t\u1eeb lu\u00f4n h\u00ecnh th\u00e0nh c\u00e1c v\u00f2ng \u0111\u00f3ng.<\/li>\n<li><strong>C\u00e2n b\u1eb1ng \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c:<\/strong> M\u1ed9t monopole s\u1ebd cung c\u1ea5p \u0111i\u1ec7n t\u00edch t\u1eeb thi\u1ebfu, t\u1ea1o ra s\u1ef1 \u0111\u1ed1i x\u1ee9ng ho\u00e0n h\u1ea3o gi\u1eefa \u0111i\u1ec7n v\u00e0 t\u1eeb trong c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh.<\/li>\n<\/ul>\n<h3>D\u1ef1 \u0111o\u00e1n t\u1eeb c\u00e1c l\u00fd thuy\u1ebft th\u1ed1ng nh\u1ea5t v\u0129 m\u00f4 (GUTs)<\/h3>\n<p>V\u1eadt l\u00fd hi\u1ec7n \u0111\u1ea1i \u0111\u00e3 \u0111i s\u00e2u v\u00e0o kh\u00e1i ni\u1ec7m n\u00e0y. C\u00e1c l\u00fd thuy\u1ebft th\u1ed1ng nh\u1ea5t v\u0129 m\u00f4 (GUTs) v\u00e0 l\u00fd thuy\u1ebft si\u00eau d\u00e2y d\u1ef1 \u0111o\u00e1n r\u1eb1ng c\u00e1c monopole s\u1ebd t\u1eebng \u0111\u01b0\u1ee3c sinh ra trong V\u1ee5 n\u1ed5 l\u1edbn. Trong khi ch\u00fang ta \u0111i\u1ec1u ch\u1ec9nh h\u01b0\u1edbng tr\u01b0\u1eddng th\u00f4ng qua <a href=\"https:\/\/nbaem.com\/vi\/magnetic-anisotropy\/\">\u0111\u1ecbnh h\u01b0\u1edbng t\u1eeb t\u00ednh<\/a> trong c\u00e1c nam ch\u00e2m \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o c\u1ee7a ch\u00fang ta, c\u00e1c l\u00fd thuy\u1ebft n\u00e0y g\u1ee3i \u00fd r\u1eb1ng c\u00e1c monopole kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, n\u0103ng l\u01b0\u1ee3ng cao c\u00f3 kh\u1ea3 n\u0103ng lang thang trong v\u0169 tr\u1ee5, ch\u1edd \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n.<\/p>\n<h3>B\u01b0\u1edbc ti\u1ebfp theo<\/h3>\n<p>B\u1ea1n c\u00f3 mu\u1ed1n t\u00f4i m\u00f4 t\u1ea3 chi ti\u1ebft c\u00e1c th\u00ed nghi\u1ec7m c\u1ee5 th\u1ec3 hi\u1ec7n \u0111ang t\u00ecm ki\u1ebfm c\u00e1c monopole n\u00e0y \u1edf CERN v\u00e0 IceCube kh\u00f4ng?<\/p>\n<h2>Cu\u1ed9c s\u0103n t\u00ecm monopoles trong khoa h\u1ecdc \u0111ang di\u1ec5n ra<\/h2>\n<p>Ch\u00fang ta \u0111\u00e3 d\u00e0nh h\u00e0ng th\u1eadp k\u1ef7 s\u0103n l\u00f9ng nh\u1eefng h\u1ea1t t\u0129nh l\u1eb7ng n\u00e0y, v\u00e0 m\u1eb7c d\u00f9 ch\u00fang ta ch\u01b0a b\u1eaft \u0111\u01b0\u1ee3c m\u1ed9t \u201choang d\u00e3\u201d n\u00e0o cho t\u1edbi nay, cu\u1ed9c t\u00ecm ki\u1ebfm \u0111\u00e3 \u0111\u1ea9y gi\u1edbi v\u1eadt l\u00fd hi\u1ec7n \u0111\u1ea1i t\u1edbi gi\u1edbi h\u1ea1n c\u1ee7a n\u00f3. The <strong>l\u00fd thuy\u1ebft nam ch\u00e2m \u0111\u01a1n c\u1ef1c<\/strong> d\u01b0\u1eddng nh\u01b0 ch\u00fang t\u1ed3n t\u1ea1i \u0111\u1ec3 c\u00e2n b\u1eb1ng s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 v\u0169 tr\u1ee5, v\u00ec v\u1eady c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang d\u1ed3n m\u1ecdi th\u1ee9 v\u00e0o v\u1ea5n \u0111\u1ec1 n\u00e0y, t\u1eeb c\u00e1c m\u00e1y va ch\u1ea1m kh\u1ed5ng l\u1ed3 \u0111\u1ebfn c\u00e1c c\u1ea3m bi\u1ebfn \u1edf Nam C\u1ef1c.<\/p>\n<h3>C\u00e1c Th\u00ed nghi\u1ec7m N\u0103ng l\u01b0\u1ee3ng Cao v\u00e0 Tia Gamma V\u0169 tr\u1ee5<\/h3>\n<p>Ti\u1ec1n tuy\u1ebfn c\u1ee7a cu\u1ed9c t\u00ecm ki\u1ebfm n\u00e0y \u0111ang di\u1ec5n ra \u1edf c\u00e1c c\u01a1 s\u1edf nh\u01b0 <strong>CERN<\/strong>. C\u00e1c th\u00ed nghi\u1ec7m nh\u01b0 <strong>ATLAS<\/strong> v\u00e0 <strong>MoEDAL<\/strong> s\u1eed d\u1ee5ng gia t\u1ed1c h\u1ea1t \u0111\u1ec3 va ch\u1ea1m nguy\u00ean t\u1eed trong <strong>c\u00e1c v\u1ee5 va ch\u1ea1m-ion n\u1eb7ng<\/strong>, ph\u00e2n t\u00edch \u0111\u1ed1ng m\u1ea3nh v\u1ee5n \u0111\u1ec3 t\u00ecm d\u1ea5u hi\u1ec7u t\u1eeb t\u00ednh \u0111\u1eb7c bi\u1ec7t m\u00e0 m\u1ed9t monopole \u0111\u1ec3 l\u1ea1i. Tuy ch\u00fang ta kh\u00f4ng ch\u1ec9 t\u00ecm d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t. G\u00f3c quan s\u00e1t IceCube <strong>IceCube<\/strong> c\u00f3 s\u1eed d\u1ee5ng h\u00e0ng kil\u00f4 m\u00e9t vu\u00f4ng b\u0103ng Nam C\u1ef1c \u0111\u1ec3 qu\u00e9t t\u00ecm tia gamma v\u0169 tr\u1ee5, t\u00ecm ki\u1ebfm b\u1eb1ng ch\u1ee9ng v\u1ec1 monopoles c\u00f3 th\u1ec3 \u0111\u00e3 di chuy\u1ec3n kh\u1eafp d\u1ea3i ng\u00e2n h\u00e0.<\/p>\n<h3>Monopole xu\u1ea5t hi\u1ec7n trong ch\u1ea5t r\u1eafn<\/h3>\n<p>M\u1eb7c d\u00f9 m\u1ed9t h\u1ea1t c\u01a1 b\u1ea3n t\u1ef1 do v\u1eabn thi\u1ebfu, ch\u00fang ta \u0111\u00e3 th\u00e0nh c\u00f4ng quan s\u00e1t c\u00e1c \u201cmonopole emergent\u201d trong c\u00e1c v\u1eadt ch\u1ea5t r\u1eafn. Nh\u1eefng c\u00e1i n\u00e0y <strong>quasiparticles<\/strong>\u2014nh\u1eefng disturbance trong t\u1eeb tr\u01b0\u1eddng t\u1eeb t\u00ednh h\u00e0nh x\u1eed ch\u00ednh x\u00e1c nh\u01b0 m\u1ed9t monopole trong m\u1ea1ng tinh th\u1ec3 c\u1ee7a v\u1eadt ch\u1ea5t:<\/p>\n<ul>\n<li><strong>Monopoles Spin Ice:<\/strong> Trong titanate \u0111\u1ea5t hi\u1ebfm, c\u00e1c moment t\u1eeb gh\u00e9p l\u1ea1i v\u1edbi nhau theo m\u1ed9t c\u1ea5u tr\u00fac \u201cspin ice\u201d b\u1ecb l\u1ec7ch h\u01b0\u1edbng, t\u1ea1o ra c\u00e1c \u0111i\u1ec7n t\u00edch t\u1eeb di \u0111\u1ed9ng.<\/li>\n<li><strong>V\u1eadt li\u1ec7u k\u1ef3 d\u1ecb:<\/strong> C\u00e1c h\u00e0nh vi t\u01b0\u01a1ng t\u1ef1 nh\u01b0 monopole \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u1edf c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 hematite v\u00e0 mangan germanide.<\/li>\n<\/ul>\n<p>M\u1eb7c d\u00f9 h\u1ea5p d\u1eabn l\u00fd thuy\u1ebft c\u1ee7a ch\u00fang v\u00e0 nh\u1eefng th\u00e0nh c\u00f4ng th\u00ed nghi\u1ec7m v\u1edbi c\u00e1c quasiparticles, m\u1ed9t monopole nguy\u00ean th\u1ee7y th\u1ef1c th\u1ee5 v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng m\u1ea3nh gh\u00e9p c\u00f2n thi\u1ebfu l\u1edbn nh\u1ea5t c\u1ee7a v\u1eadt l\u00fd. Ch\u00fang ta bi\u1ebft ch\u00fang n\u00ean tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o, nh\u01b0ng t\u1ef1 nhi\u00ean \u0111ang gi\u1eef ch\u00fang \u1edf khu\u1ea5t.<\/p>\n<p>B\u1ea1n c\u00f3 mu\u1ed1n t\u00f4i gi\u1ea3i th\u00edch t\u1ea1i sao nam ch\u00e2m monopole th\u1ef1c s\u1ef1 kh\u00f4ng t\u1ed3n t\u1ea1i trong th\u1ef1c t\u1ebf v\u00e0 b\u00e1c b\u1ecf c\u00e1c hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn quanh ch\u00fang kh\u00f4ng?<\/p>\n<h2>Th\u1ef1c t\u1ebf: T\u1ea1i sao B\u1ea1n kh\u00f4ng th\u1ec3 Mua \u0111\u01b0\u1ee3c M\u1ed9t Nam ch\u00e2m C\u1ef1c B\u1eafc\/C\u1ef1c Nam<\/h2>\n<p>H\u00e3y l\u00e0m r\u00f5 ngay t\u1eeb \u0111\u1ea7u: b\u1ea1n kh\u00f4ng th\u1ec3 l\u00ean m\u1ea1ng v\u00e0 \u0111\u1eb7t mua m\u1ed9t <strong>nam ch\u00e2m \u0111\u01a1n c\u1ef1c th\u1ef1c s\u1ef1<\/strong>D\u00f9 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y \u0111i\u1ec1u g\u00ec trong c\u00e1c video k\u00edch \u0111\u1ed9ng nh\u1ea5n chu\u1ed9t hay phim khoa h\u1ecdc vi\u1ec5n t\u01b0\u1edfng, m\u1ed9t nam ch\u00e2m c\u00f3 c\u1ef1c B\u1eafc ho\u1eb7c c\u1ef1c Nam b\u1ecb c\u00f4 l\u1eadp kh\u00f4ng t\u1ed3n t\u1ea1i tr\u00ean th\u1ecb tr\u01b0\u1eddng th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<h3>\u1ea2o \u1ea3nh 'Nam ch\u00e2m m\u1ed9t m\u1eb7t'<\/h3>\n<p>Nh\u1eefng g\u00ec b\u1ea1n <em>c\u0169ng c\u00f3 th\u1ec3<\/em> mua l\u00e0 c\u00e1c m\u1ea1t gh\u00e9p ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t <strong>nam ch\u00e2m \u0111\u01a1n c\u1ef1c<\/strong>, nh\u01b0ng \u0111\u00e2y l\u00e0 m\u1ed9t th\u1ee7 thu\u1eadt c\u01a1 h\u1ecdc, kh\u00f4ng ph\u1ea3i m\u1ed9t s\u1ef1 \u0111\u1ee9t g\u00e3y trong v\u1eadt l\u00fd. Ch\u00fang t\u00f4i g\u1ecdi ch\u00fang l\u00e0 <strong>nam ch\u00e2m m\u1ed9t m\u1eb7t<\/strong>.<\/p>\n<p>\u0110\u00e2y l\u00e0 c\u00e1ch \u1ea3o \u1ea3nh ho\u1ea1t \u0111\u1ed9ng:<\/p>\n<ul>\n<li><strong>L\u1ecdc ch\u1eafn:<\/strong> Ch\u00fang t\u00f4i l\u1ea5y m\u1ed9t nam ch\u00e2m dip\u00f4 ti\u00eau chu\u1ea9n v\u00e0 \u0111\u1eb7t n\u00f3 b\u00ean trong m\u1ed9t c\u1ed1c th\u00e9p ho\u1eb7c b\u00e1m n\u00f3 v\u00e0o m\u1ed9t n\u1ec1n th\u00e9p.<\/li>\n<li><strong>Chuy\u1ec3n h\u01b0\u1edbng:<\/strong> 30 th\u1ebb th\u00e9p ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t c\u1ea7u n\u1ed1i. N\u00f3 kh\u00f4ng lo\u1ea1i b\u1ecf c\u1ef1c \u1edf m\u1eb7t sau; n\u00f3 chuy\u1ec3n h\u01b0\u1edbng c\u00e1c \u0111\u01b0\u1eddng t\u1eeb tr\u01b0\u1eddng t\u1eeb m\u1eb7t sau sang m\u1eb7t tr\u01b0\u1edbc.<\/li>\n<li><strong>K\u1ebft qu\u1ea3:<\/strong> B\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c <strong>t\u1eeb tr\u01b0\u1eddng<\/strong> \u1edf ph\u00eda \u201c\u0111\u01b0\u1ee3c shielding\u201d v\u00e0 m\u1ed9t tr\u01b0\u1eddng t\u1eadp trung, m\u1ea1nh h\u01a1n \u1edf m\u1eb7t l\u00e0m vi\u1ec7c.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng, c\u1ea3m gi\u00e1c nh\u01b0 t\u1eeb t\u00ednh \u0111\u00e3 bi\u1ebfn m\u1ea5t \u1edf m\u1ed9t b\u00ean. Tr\u00ean th\u1ef1c t\u1ebf v\u00f2ng l\u1eb7p ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u00f3ng ch\u1eb7t h\u01a1n. Cho d\u00f9 b\u1ea1n \u0111ang mua c\u00e1c block neodymium chu\u1ea9n hay xem x\u00e9t m\u1ed9t lo\u1ea1i cao c\u1ea5p <strong><a href=\"https:\/\/nbaem.com\/vi\/hot-pressed-magnet-data-sheet\/\">b\u1ea3ng d\u1eef li\u1ec7u nam ch\u00e2m n\u00e9n n\u00f3ng<\/a><\/strong>, m\u1ecdi nam ch\u00e2m \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ng\u00e0y nay v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t dip\u00f4 v\u1edbi c\u1ef1c B\u1eafc v\u00e0 c\u1ef1c Nam kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi.<\/p>\n<h3>V\u1ee1 m\u1ed9ng v\u1ec1 chuy\u1ec3n \u0111\u1ed9ng v\u0129nh vi\u1ec5n DIY<\/h3>\n<p>T\u00f4i th\u01b0\u1eddng th\u1ea5y nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea DIY v\u00e0 nh\u1eefng nh\u00e0 ph\u00e1t minh fringe \u0111u\u1ed5i theo <strong>nam ch\u00e2m \u0111\u01a1n c\u1ef1c th\u1ef1c s\u1ef1<\/strong> m\u01a1 \u01b0\u1edbc x\u00e2y d\u1ef1ng m\u00e1y t\u1ea1o \u0111\u1ed9ng l\u1ef1c quay v\u0129nh c\u1ef5\u1ec3u. L\u00fd thuy\u1ebft l\u00e0 n\u1ebfu b\u1ea1n c\u00f3 th\u1ec3 c\u00f4 l\u1eadp m\u1ed9t c\u1ef1c, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t \u0111\u1ed9ng c\u01a1 quay m\u00e3i m\u00e0 kh\u00f4ng c\u1ea7n cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>Th\u1eadt \u0111\u00e1ng ti\u1ebfc, c\u00e1c thi\u1ebft l\u1eadp n\u00e0y d\u1ef1a tr\u00ean s\u1ef1 hi\u1ec3u l\u1ea7m v\u1ec1 ch\u1eafn. \u0110\u1eb7t m\u1ed9t m\u1ea3nh s\u1eaft \u0111\u1eb1ng sau m\u1ed9t nam ch\u00e2m kh\u00f4ng x\u00f3a b\u1ecf c\u1ef1c; n\u00f3 ch\u1ec9 che khu\u1ea5t n\u00f3 \u0111i. Ngay khi b\u1ea1n di chuy\u1ec3n nam ch\u00e2m, v\u1eadt l\u00fd c\u1ee7a l\u01b0\u1ee1i dao d\u1eb9t theo k\u1ecbp b\u1ea1n, t\u1ea1o ra l\u1ef1c c\u1ea3n khi\u1ebfn chuy\u1ec3n \u0111\u1ed9ng d\u1eebng l\u1ea1i. C\u00e1c monopole th\u1ef1c s\u1ef1 v\u1eabn l\u00e0 m\u1ed9t h\u1ea1t l\u00fd thuy\u1ebft, kh\u00f4ng ph\u1ea3i m\u1ed9t m\u1eb7t h\u00e0ng \u1edf c\u1eeda h\u00e0ng d\u1ee5ng c\u1ee5.<\/p>\n<h2>C\u00e1c L\u1ef1a ch\u1ecdn Th\u1ef1c t\u1ebf: \u0110\u1ea1t \u0111\u01b0\u1ee3c D\u00f2ng t\u1eeb M\u1ed9t M\u1eb7t<\/h2>\n<p>K\u1ec3 t\u1eeb khi m\u1ed9t d\u00f2ng t\u1eeb th\u1ef1c s\u1ef1 <strong>nam ch\u00e2m \u0111\u01a1n c\u1ef1c th\u1ef1c s\u1ef1<\/strong> v\u1eabn \u1edf m\u1ee9c l\u00fd thuy\u1ebft, ch\u00fang t\u00f4i d\u1ef1a v\u00e0o m\u1ea3ng Halbach nh\u01b0 s\u1ef1 thay th\u1ebf hi\u1ec7u qu\u1ea3 nh\u1ea5t tr\u00ean th\u1ef1c t\u1ebf. Trong ng\u00e0nh c\u1ee7a ch\u00fang t\u00f4i, \u0111\u00e2y l\u00e0 g\u1ea7n nh\u01b0 l\u1ea7n ti\u1ebfp c\u1eadn g\u1ea7n nh\u1ea5t v\u1edbi m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng <strong>m\u1ed9t magnet ch\u1ec9 m\u1ed9t m\u1eb7t<\/strong>. Thay v\u00ec t\u00ecm ki\u1ebfm m\u1ed9t c\u1ef1c t\u1eeb ri\u00eang l\u1ebb, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng h\u00ecnh h\u1ecdc th\u00f4ng minh \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh tr\u01b0\u1eddng t\u1eeb.<\/p>\n<p>A <strong>M\u1ea3ng Halbach<\/strong> ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eafp x\u1ebfp c\u00e1c \u0111o\u1ea1n nam ch\u00e2m v\u0129nh vi\u1ec5n theo m\u1ed9t m\u1eabu quay kh\u00f4ng gian. Ph\u01b0\u01a1ng h\u01b0\u1edbng t\u1eeb h\u00f3a c\u1ee7a m\u1ed7i nam ch\u00e2m li\u00ean ti\u1ebfp \u0111\u01b0\u1ee3c quay 90 \u0111\u1ed9. C\u1ea3m nh\u1eadn n\u00e0y \u0111\u1eb7c bi\u1ec7t t\u1ea1o ra s\u1ef1 can thi\u1ec7p c\u1ed9ng h\u01b0\u1edfng \u1edf m\u1ed9t b\u00ean v\u00e0 s\u1ef1 can thi\u1ec7p h\u1ee7y b\u1ecf \u1edf b\u00ean kia. nh\u00ecn chung d\u1eabn t\u1edbi <strong>t\u1eeb tr\u01b0\u1eddng<\/strong> \u1edf ph\u00eda \u201ckh\u00f4ng ho\u1ea1t \u0111\u1ed9ng\u201d.<\/p>\n<p>&nbsp;<\/p>\n<h3>\u01afu \u0111i\u1ec3m ch\u00ednh c\u1ee7a c\u00e1c t\u1ed5 h\u1ee3p Halbach<\/h3>\n<ul>\n<li><strong>C\u1ee7ng c\u1ed1 c\u00f4ng su\u1ea5t:<\/strong> Ch\u00fang t\u00f4i th\u01b0\u1eddng th\u1ea5y s\u1ef1 t\u0103ng 1,4 \u0111\u1ebfn 2 l\u1ea7n m\u1eadt \u0111\u1ed9 flux so v\u1edbi b\u1ed1 tr\u00ed th\u00f4ng th\u01b0\u1eddng.<\/li>\n<li><strong>T\u1ef1 b\u1ea3o v\u1ec7:<\/strong> M\u1ea3ng n\u00e0y t\u1ef1 nhi\u00ean gi\u1ea3m r\u00f2 r\u1ec9, l\u00e0m gi\u1ea3m nhu c\u1ea7u l\u1eafp \u0111\u1ebf s\u1eaft \u0111\u1eb1ng sau n\u1eb7ng.<\/li>\n<li><strong>Thi\u1ebft k\u1ebf g\u1ecdn g\u00e0ng:<\/strong> B\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t m\u1ea1nh h\u01a1n m\u00e0 kh\u00f4ng t\u0103ng th\u1ec3 t\u00edch.<\/li>\n<\/ul>\n<h3>Nam ch\u00e2m ti\u00eau chu\u1ea9n so v\u1edbi C\u1ea5u h\u00ecnh Halbach<\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th style=\"text-align: left;\">Nam ch\u00e2m ti\u00eau chu\u1ea9n<\/th>\n<th style=\"text-align: left;\">M\u1ea3ng Halbach<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>\u0110\u1ed1i x\u1ee9ng Flux<\/strong><\/td>\n<td style=\"text-align: left;\">\u0110\u1ed1i x\u1ee9ng (K\u00e9o N\/S b\u1eb1ng nhau)<\/td>\n<td style=\"text-align: left;\">Kh\u00f4ng \u0111\u1ed1i x\u1ee9ng (<strong>L\u01b0u l\u01b0\u1ee3ng m\u1ed9t ph\u00eda<\/strong>)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Tr\u01b0\u1eddng \u0111\u1ec9nh<\/strong><\/td>\n<td style=\"text-align: left;\">M\u1ed1c chu\u1ea9n<\/td>\n<td style=\"text-align: left;\">Gia t\u0103ng (l\u00ean t\u1edbi g\u1ea5p 2 l\u1ea7n m\u1ea1nh h\u01a1n)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>R\u00f2 r\u1ec9 tr\u01b0\u1eddng<\/strong><\/td>\n<td style=\"text-align: left;\">Tr\u01b0\u1eddng nhi\u1ec5u cao<\/td>\n<td style=\"text-align: left;\">G\u1ea7n b\u1eb1ng zero \u1edf m\u1eb7t ph\u00eda sau<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Chi ph\u00ed ban \u0111\u1ea7u<\/strong><\/td>\n<td style=\"text-align: left;\">Chi ph\u00ed v\u1eadt li\u1ec7u th\u1ea5p h\u01a1n<\/td>\n<td style=\"text-align: left;\">\u0110\u1ed9 ph\u1ee9c t\u1ea1p l\u1eafp r\u00e1p cao h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng \u0111i\u1ec1u n\u00e0y <strong>l\u1ef1c t\u1eeb hai chi\u1ec1u<\/strong> h\u00e0nh vi, ch\u00fang ta c\u00f3 th\u1ec3 h\u01b0\u1edbng n\u0103ng l\u01b0\u1ee3ng t\u1eeb tr\u01b0\u1eddng ch\u00ednh x\u00e1c \u0111\u1ebfn n\u01a1i c\u1ea7n thi\u1ebft\u2014n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a \u0111\u1ed9ng c\u01a1, c\u1ea3m bi\u1ebfn v\u00e0 t\u1ed5 h\u1ee3p gi\u1eef m\u00e0 kh\u00f4ng l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng \u1edf m\u1eb7t ph\u00eda sau.<\/p>\n<hr \/>\n<p><strong>B\u1ea1n c\u00f3 mu\u1ed1n t\u00f4i m\u00f4 t\u1ea3 chi ti\u1ebft c\u00e1c th\u00e1ch th\u1ee9c s\u1ea3n xu\u1ea5t c\u1ee5 th\u1ec3 v\u00e0 t\u00e1c \u0111\u1ed9ng chi ph\u00ed khi ch\u1ebf t\u1ea1o c\u00e1c m\u1ea3ng Halbach t\u00f9y ch\u1ec9nh ti\u1ebfp theo kh\u00f4ng?<\/strong><\/p>\n<h2>\u01afu \u0111i\u1ec3m c\u1ee7a nam ch\u00e2m d\u1ea1ng Halbach m\u1ea3ng t\u1eeb t\u00ednh \u2018t\u01b0\u01a1ng t\u1ef1 monopole\u2019<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/12\/Monopole_Halbach_Array_Magnets_Advantages_T6Pvifrz.webp\" alt=\"\u01afu \u0111i\u1ec3m c\u1ee7a M\u1ea3ng Halbach c\u1ef1c t\u1eeb \u0111\u01a1n\" \/><\/p>\n<p>Trong khi m\u1ed9t <strong>nam ch\u00e2m \u0111\u01a1n c\u1ef1c th\u1ef1c s\u1ef1<\/strong> v\u1eabn mang t\u00ednh l\u00fd thuy\u1ebft, the <strong>M\u1ea3ng Halbach<\/strong> ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t <strong>l\u1ef1a ch\u1ecdn thay th\u1ebf monopole neodymium<\/strong> cho c\u00e1c k\u1ef9 s\u01b0. B\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng minh h\u01b0\u1edbng c\u1ee7a c\u00e1c mi\u1ec1n t\u1eeb, ch\u00fang ta t\u1ea1o ra m\u1ed9t hi\u1ec7u \u1ee9ng m\u1ea1nh m\u1ebd <strong>m\u1ed9t magnet ch\u1ec9 m\u1ed9t m\u1eb7t<\/strong> mang l\u1ea1i l\u1ee3i \u00edch th\u1ef1c t\u1ebf so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1eeb h\u00f3a th\u00f4ng d\u1ee5ng.<\/p>\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao nh\u1eefng <strong>b\u1ed9 gh\u00e9p t\u1eeb t\u00ednh hi\u1ec7u su\u1ea5t cao<\/strong> \u0111ang thay \u0111\u1ed5i tr\u00f2 ch\u01a1i trong s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i:<\/p>\n<ul>\n<li><strong>Hi\u1ec7u qu\u1ea3 \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng:<\/strong> \u01afu \u0111i\u1ec3m ch\u00ednh l\u00e0 <strong>t\u1eadp trung d\u00f2ng t\u1eeb<\/strong>. B\u1eb1ng c\u00e1ch x\u1ebfp ch\u1ed3ng c\u00e1c \u0111\u01b0\u1eddng t\u1eeb tr\u00ean m\u1eb7t l\u00e0m vi\u1ec7c, ch\u00fang ta \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1eadt \u0111\u1ed9 m\u00f4-men xo\u1eafn cao h\u01a1n \u0111\u00e1ng k\u1ec3. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p \u0111\u1ed9ng c\u01a1 m\u1ea1nh h\u01a1n m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng k\u00edch th\u01b0\u1edbc ho\u1eb7c tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a nam ch\u00e2m.<\/li>\n<li><strong>Gi\u1ea3m nhi\u1ec5u<\/strong> \u1ede b\u00ean kh\u00f4ng l\u00e0m vi\u1ec7c, m\u1ea3ng t\u1ea1o ra g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 <strong>t\u1eeb tr\u01b0\u1eddng<\/strong>. Thu\u1ed9c t\u00ednh \u201ct\u1ef1 b\u1ea3o v\u1ec7\u201d n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n kh\u00f4ng c\u1ea7n t\u1ea5m l\u01b0ng s\u1eaft n\u1eb7ng \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ho\u1eb7c c\u1ea3m bi\u1ebfn nh\u1ea1y c\u1ea3m \u1edf g\u1ea7n \u0111\u00f3.<\/li>\n<li><strong>Ngu\u1ed3n \u0111i\u1ec7n c\u00f3 m\u1ee5c ti\u00eau:<\/strong> T\u1eeb c\u00e1c rotor xe \u0111i\u1ec7n t\u1ed1c \u0111\u1ed9 cao \u0111\u1ebfn <a href=\"https:\/\/nbaem.com\/vi\/magnets-used-in-renewable-energy\/\" target=\"_blank\" rel=\"noopener\">nam ch\u00e2m s\u1eed d\u1ee5ng trong n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/a> tu bin gi\u00f3, thi\u1ebft k\u1ebf n\u00e0y <strong>l\u1ef1c t\u1eeb hai chi\u1ec1u<\/strong> \u0111\u1ea3m b\u1ea3o ti\u1ec1m n\u0103ng t\u1eeb \u0111\u01b0\u1ee3c h\u01b0\u1edbng \u0111\u00fang n\u01a1i c\u1ea7n thi\u1ebft, v\u1edbi l\u01b0\u1ee3ng l\u00e3ng ph\u00ed b\u1eb1ng kh\u00f4ng.<\/li>\n<\/ul>\n<p>B\u1ea1n c\u00f3 mu\u1ed1n t\u00f4i chi ti\u1ebft h\u00f3a c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee5 th\u1ec3 n\u01a1i nh\u1eefng t\u1ed5 h\u1ee3p n\u00e0y hi\u1ec7n \u0111ang thay th\u1ebf nam ch\u00e2m ti\u00eau chu\u1ea9n?<\/p>\n<h2>C\u00e1c \u1ee8ng d\u1ee5ng Ch\u00ednh c\u1ee7a C\u00e1c T\u1ed5 H\u1ee3p T\u1eeb Tr\u00e1i\/R\u1eddi N\u1eeda<\/h2>\n<p>Trong khi m\u1ed9t <strong>nam ch\u00e2m \u0111\u01a1n c\u1ef1c th\u1ef1c s\u1ef1<\/strong> v\u1eabn l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m l\u00fd thuy\u1ebft trong v\u1eadt l\u00fd, th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt v\u1eabn ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o c\u00e1c t\u1ed5 h\u1ee3p flux \u201cm\u1ed9t ph\u00eda\u201d \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng <strong>t\u1eadp trung d\u00f2ng t\u1eeb<\/strong>, ch\u00fang ta c\u00f3 th\u1ec3 h\u01b0\u1edbng tr\u01b0\u1eddng t\u1eeb ch\u00ednh x\u00e1c n\u01a1i n\u00f3 c\u1ea7n thi\u1ebft\u2014v\u00e0o m\u1eb7t l\u00e0m vi\u1ec7c\u2014trong khi g\u1ea7n nh\u01b0 tri\u1ec7t ti\u00eau n\u00f3 \u1edf ph\u00eda sau. Kh\u1ea3 n\u0103ng n\u00e0y \u0111ang bi\u1ebfn \u0111\u1ed5i c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f4ng ngh\u1ec7 cao.<\/p>\n<p>\u0110\u00e2y l\u00e0 n\u01a1i nh\u1eefng <strong>b\u1ed9 gh\u00e9p t\u1eeb t\u00ednh hi\u1ec7u su\u1ea5t cao<\/strong> n\u00e0y \u0111ang t\u1ea1o ra t\u00e1c \u0111\u1ed9ng l\u1edbn nh\u1ea5t:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9ng c\u01a1 Xe \u0111i\u1ec7n (EV):<\/strong> Hi\u1ec7u qu\u1ea3 l\u00e0 m\u1ecdi th\u1ee9 trong xe \u0111i\u1ec7n. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c m\u1ea3ng Halbach trong rotor v\u00e0 stator, ch\u00fang ta t\u0103ng m\u1eadt \u0111\u1ed9 m\u00f4-men xo\u1eafn v\u00e0 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o l\u1ef1c t\u1eeb t\u1eadp trung ho\u00e0n to\u00e0n t\u1ea1i kho\u1ea3ng t\u00e1c \u0111\u1ed9ng, thay v\u00ec r\u00f2 r\u1ec9 v\u00e0o v\u1ecf \u0111\u1ed9ng c\u01a1.<\/li>\n<li><strong>N\u0103ng l\u01b0\u1ee3ng xanh:<\/strong> Trong l\u0129nh v\u1ef1c n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, \u0111\u01b0\u1ee3c chuy\u00ean m\u00f4n h\u00f3a <a href=\"https:\/\/nbaem.com\/vi\/magnets-in-wind-turbines\/\" target=\"_blank\" rel=\"noopener\">nam ch\u00e2m trong turbine gi\u00f3<\/a> s\u1eed d\u1ee5ng c\u00e1c c\u1ea5u h\u00ecnh tr\u01b0\u1eddng m\u1ed9t chi\u1ec1u n\u00e0y \u0111\u1ec3 ph\u00e1t \u0111i\u1ec7n hi\u1ec7u qu\u1ea3 h\u01a1n, ngay c\u1ea3 \u1edf t\u1ed1c \u0111\u1ed9 gi\u00f3 th\u1ea5p.<\/li>\n<li><strong>Giao th\u00f4ng b\u1eb1ng c\u00f4ng ngh\u1ec7 Maglev:<\/strong> Trains t\u1eeb tr\u01b0\u1eddng t\u1eeb t\u00ednh y\u00eau c\u1ea7u l\u1ef1c n\u00e2ng v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng t\u1eadp trung r\u1ea5t l\u1edbn. C\u00e1c l\u1eafp r\u00e1p m\u1ed9t m\u1eb7t cung c\u1ea5p tr\u01b0\u1eddng m\u1ea1nh c\u1ea7n thi\u1ebft \u1edf ph\u00eda ray \u0111\u1ec3 treo t\u00e0u m\u00e0 kh\u00f4ng ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng nhi\u1ec1u.<\/li>\n<li><strong>C\u00f4ng ngh\u1ec7 Y t\u1ebf:<\/strong> M\u00e1y qu\u00e9t MRI v\u00e0 gia t\u1ed1c h\u1ea1t \u0111\u00f2i h\u1ecfi t\u1eeb tr\u01b0\u1eddng \u0111\u1ed3ng nh\u1ea5t v\u00e0 m\u1ea1nh m\u1ebd. Ki\u1ec3m so\u00e1t \u0111\u01b0\u1eddng t\u1eeb flux ng\u0103n ch\u1eb7n nhi\u1ec5u lo\u1ea1n v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m xung quanh.<\/li>\n<li><strong>Ph\u00e2n lo\u1ea1i C\u00f4ng nghi\u1ec7p:<\/strong> Trong ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 t\u00e1i ch\u1ebf, c\u00e1c b\u1ed9 t\u00e1ch t\u1eeb s\u1eed d\u1ee5ng tr\u01b0\u1eddng m\u1ed9t m\u1eb7t \u0111\u1ec3 h\u00fat c\u00e1c t\u1ea1p ch\u1ea5t s\u1eaft ra kh\u1ecfi d\u00e2y chuy\u1ec1n s\u1ea3n ph\u1ea9m v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/li>\n<\/ul>\n<p>D\u00f9 l\u00e0 cho m\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i nh\u1eb9 hay m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p kh\u1ed5ng l\u1ed3, c\u00e1c <strong>\u1ee9ng d\u1ee5ng t\u1eeb t\u00ednh \u0111a d\u1ea1ng<\/strong> lai v\u00e0o c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, m\u1ea1nh m\u1ebd v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng m\u00e0 nam ch\u00e2m dipole th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 s\u00e1nh b\u1eb1ng.<\/p>\n<h2>C\u00e1c Gi\u1ea3i ph\u00e1p M\u1ea3ng Halbach T\u00f9y ch\u1ec9nh c\u1ee7a NBAEM<\/h2>\n<p>K\u1ec3 t\u1eeb khi m\u1ed9t d\u00f2ng t\u1eeb th\u1ef1c s\u1ef1 <strong>nam ch\u00e2m \u0111\u01a1n c\u1ef1c th\u1ef1c s\u1ef1<\/strong> v\u1eabn l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m l\u00fd thuy\u1ebft, ch\u00fang t\u00f4i t\u1eadp trung v\u00e0o thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf th\u1ef1c t\u1ebf hi\u1ec7u qu\u1ea3 nh\u1ea5t: <strong>M\u1ea3ng Halbach<\/strong>. T\u1ea1i NBAEM, ch\u00fang t\u00f4i \u0111\u1eb7c bi\u1ec7t thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c <strong>\u0111\u01a1n v\u1ecb l\u1eafp gh\u00e9p Halbach NdFeB<\/strong> v\u00e0 c\u00e1c c\u1ea5u h\u00ecnh Samarium Cobalt t\u1eadp trung t\u1eeb th\u00f4ng t\u1eeb \u0111\u00fang t\u1ea1i n\u01a1i \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n c\u1ea7n<\/p>\n<p>Ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 cung c\u1ea5p nam ch\u00e2m th\u00f4; ch\u00fang t\u00f4i cung c\u1ea5p gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111i k\u00e8m b\u1eb1ng m\u00f4 ph\u1ecfng t\u1eeb tr\u01b0\u1eddng ti\u00ean ti\u1ebfn. Cho d\u00f9 b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng \u0111\u1ed9ng c\u01a1 hi\u1ec7u qu\u1ea3 cao hay c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf ch\u00ednh x\u00e1c, \u0111\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o s\u1ef1 tri\u1ec7t ti\u00eau v\u00e0 khu\u1ebfch \u0111\u1ea1i t\u1eeb tr\u01b0\u1eddng di\u1ec5n ra \u0111\u00fang nh\u01b0 t\u00ednh to\u00e1n.<\/p>\n<h3>Kh\u1ea3 n\u0103ng v\u00e0 T\u00f9y bi\u1ebfn<\/h3>\n<p>Ch\u00fang t\u00f4i t\u00f9y ch\u1ec9nh m\u1ecdi <strong>l\u1eafp gh\u00e9p t\u1eeb t\u00ednh hi\u1ec7u su\u1ea5t cao<\/strong> \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u00f4ng nghi\u1ec7p nghi\u00eam ng\u1eb7t. Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a ch\u00fang t\u00f4i cho ph\u00e9p t\u00f9y bi\u1ebfn s\u00e2u:<\/p>\n<ul>\n<li><strong>Nguy\u00ean li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao:<\/strong> Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng Neodymium (N35\u2013N54) sintered h\u00e0ng \u0111\u1ea7u cho \u0111\u1ed9 b\u1ec1n t\u1ed1i \u0111a v\u00e0 Samarium Cobalt \u1ed5n \u0111\u1ecbnh. B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra c\u00e1c t\u00ednh ch\u1ea5t nhi\u1ec7t trong <a href=\"https:\/\/nbaem.com\/vi\/samarium-cobalt-magnet-data-sheet\/\" target=\"_blank\" rel=\"noopener\">b\u1ea3ng d\u1eef li\u1ec7u nam ch\u00e2m samarium cobalt<\/a> \u0111\u1ec3 xem c\u00e1c v\u1eadt li\u1ec7u n\u00e0y ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi t\u1ea3i.<\/li>\n<li><strong>\u0110\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i:<\/strong> Ch\u00fang t\u00f4i cung c\u1ea5p t\u00f9y bi\u1ebfn cho kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh l\u00ean <strong>300\u00b0C<\/strong>.<\/li>\n<li><strong>C\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o ch\u00ednh x\u00e1c:<\/strong> M\u1ecdi <strong>nam ch\u00e2m Halbach t\u00f9y ch\u1ec9nh<\/strong> \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u1edbi sai s\u1ed1 ch\u1eb7t ch\u1ebd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u00e2n b\u1ed1 flux t\u1ed1i \u01b0u v\u00e0 kh\u1edbp c\u01a1 h\u1ecdc.<\/li>\n<li><strong>\u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng:<\/strong> C\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn ISO\/IATF \u0111\u1ea7y \u0111\u1ee7. Ch\u00fang t\u00f4i \u00e1p d\u1ee5ng c\u00e1c quy tr\u00ecnh th\u1eed nghi\u1ec7m nghi\u00eam ng\u1eb7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed7i t\u1ed5 h\u1ee3p c\u00f3 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n<p>B\u1ea1n c\u00f3 mu\u1ed1n t\u00f4i gi\u00fap b\u1ea1n so\u1ea1n th\u1ea3o b\u1ea3n t\u00f3m t\u1eaft v\u1ec1 t\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7 t\u1eeb tr\u01b0\u1eddng t\u1eeb t\u00ednh kh\u00f4ng?Vui l\u00f2ng <a href=\"https:\/\/nbaem.com\/vi\/contact-us\/\" target=\"_blank\" rel=\"noopener\"><strong>li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/strong> <\/a>\u0111\u1ec3 nh\u1eadn th\u00eam th\u00f4ng tin.<\/p>\n<div id=\"references\" class=\"min-w-0 scroll-mt-8 overflow-hidden\">\n<div class=\"text-[16px]\"><\/div>\n<div class=\"flex flex-col gap-2 text-sm leading-relaxed\">\n<div class=\"break-words text-[1em] leading-7\"><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 huy\u1ec1n tho\u1ea1i nam ch\u00e2m \u0111\u01a1n c\u1ef1c v\u00e0 s\u1eed d\u1ee5ng m\u1ea3ng Halbach NBAEM cho tr\u01b0\u1eddng t\u1eeb tr\u01b0\u1eddng m\u1ed9t m\u1eb7t m\u1ea1nh m\u1ebd trong \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/p>","protected":false},"author":1,"featured_media":3610,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3611","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/12\/monopole_magnet_G7n0bB5vm.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3611","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=3611"}],"version-history":[{"count":5,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3611\/revisions"}],"predecessor-version":[{"id":3616,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3611\/revisions\/3616"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/3610"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}