{"id":2724,"date":"2026-10-13T00:44:54","date_gmt":"2026-10-12T15:44:54","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-10-13-nuclear-clock-feedback-vi\/"},"modified":"2026-10-13T17:35:58","modified_gmt":"2026-10-13T08:35:58","slug":"2026-10-13-nuclear-clock-feedback-vi","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-10-13-nuclear-clock-feedback-vi\/","title":{"rendered":"H\u1ea1t nh\u00e2n \u0111i\u1ec1u ch\u1ec9nh laser c\u1ee7a \u0111\u1ed3ng h\u1ed3; \u0111\u1ed3ng h\u1ed3 nguy\u00ean t\u1eed t\u1ed1t nh\u1ea5t v\u1eabn v\u01b0\u1ee3t tr\u01b0\u1edbc"},"content":{"rendered":"

2026-10-13 00:44 KST<\/strong><\/p>\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ch\u00e2u \u00c2u v\u1eadn h\u00e0nh \u0111\u1ed3ng h\u1ed3 h\u1ea1t nh\u00e2n d\u00f9ng ph\u1ea3n \u1ee9ng c\u1ee7a h\u1ea1t nh\u00e2n \u0111\u1ec3 t\u1ef1 s\u1eeda \u0111\u1ed9 l\u1ec7ch laser.<\/p>\n

\u0110\u00e2y l\u00e0 m\u1eabu th\u1eed ph\u00f2ng th\u00ed nghi\u1ec7m c\u00f4ng b\u1ed1 ng\u00e0y 7\/10, ch\u01b0a v\u01b0\u1ee3t \u0111\u1ed3ng h\u1ed3 nguy\u00ean t\u1eed t\u1ed1t nh\u1ea5t hay ph\u00e1t hi\u1ec7n v\u1eadt ch\u1ea5t t\u1ed1i.<\/p>\n

\u0110\u1ecdc ph\u1ea3n \u1ee9ng r\u1ed3i \u0111i\u1ec1u ch\u1ec9nh laser<\/h2>\n

B\u01b0\u1edbc m\u1edbi l\u00e0 t\u1eeb quan s\u00e1t m\u1ed9t chuy\u1ec3n tr\u1ea1ng th\u00e1i h\u1ea1t nh\u00e2n h\u1ee9a h\u1eb9n sang d\u00f9ng n\u00f3 \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed3ng h\u1ed3. Nh\u00f3m chi\u1ebfu laser t\u1eed ngo\u1ea1i \u0111\u1eb7c bi\u1ec7t v\u00e0o tinh th\u1ec3 nh\u1ecf ch\u1ee9a thorium-229. M\u1ee9c h\u1ea5p th\u1ee5 \u0111\u1ed5i khi t\u1ea7n s\u1ed1 l\u1ec7ch kh\u1ecfi c\u1ed9ng h\u01b0\u1edfng. \u0110\u1ecdc thay \u0111\u1ed5i v\u00e0 ch\u1ec9nh laser t\u1ea1o v\u00f2ng ph\u1ea3n h\u1ed3i. H\u1ea1t nh\u00e2n kh\u00f4ng chuy\u1ec3n \u0111\u1ed9ng nh\u01b0 kim gi\u00e2y nh\u00ecn th\u1ea5y.<\/p>\n

Tinh th\u1ec3 nh\u1ecf ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng<\/h2>\n

Nature m\u00f4 t\u1ea3 tinh th\u1ec3 calcium fluoride c\u1ee1 milim\u00e9t \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, d\u00f9ng \u00e1nh s\u00e1ng kho\u1ea3ng 148 nanom\u00e9t. TU Wien b\u00e1o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh h\u01a1n 24 gi\u1edd kh\u00f4ng can thi\u1ec7p. Th\u1eddi gian ch\u1ea1y cho th\u1ea5y ch\u1ee9c n\u0103ng duy tr\u00ec \u0111\u01b0\u1ee3c. \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ea7n s\u1ed1 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 ch\u1ec9 s\u1ed1 kh\u00e1c nhau; ch\u1ea1y m\u1ed9t ng\u00e0y kh\u00f4ng t\u1ef1 x\u00e1c l\u1eadp k\u1ef7 l\u1ee5c ch\u00ednh x\u00e1c.<\/p>\n

\"H\u1ea1t
\u0110\u00e2y l\u00e0 minh h\u1ecda do AI t\u1ea1o \u0111\u1ec3 gi\u1ea3i th\u00edch ch\u1ee7 \u0111\u1ec1, kh\u00f4ng ph\u1ea3i \u1ea3nh ch\u1ee5p hay t\u00e1i hi\u1ec7n ch\u00ednh x\u00e1c ng\u01b0\u1eddi, \u0111\u1ecba \u0111i\u1ec3m, th\u00ed nghi\u1ec7m, m\u1eabu v\u1eadt ho\u1eb7c t\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c th\u1ef1c t\u1ebf.<\/figcaption><\/figure>\n

Kh\u00e1c \u0111\u1ed3ng h\u1ed3 nguy\u00ean t\u1eed \u1edf \u0111i\u1ec3m n\u00e0o<\/h2>\n

\u0110\u1ed3ng h\u1ed3 ch\u00ednh x\u00e1c th\u00f4ng th\u01b0\u1eddng d\u00f9ng chuy\u1ec3n tr\u1ea1ng th\u00e1i electron quanh nguy\u00ean t\u1eed; \u0111\u1ed3ng h\u1ed3 h\u1ea1t nh\u00e2n d\u00f9ng tr\u1ea1ng th\u00e1i c\u1ee7a h\u1ea1t nh\u00e2n. Kh\u1ea3 n\u0103ng \u00edt nh\u1ea1y v\u1edbi m\u1ed9t s\u1ed1 nhi\u1ec5u b\u00ean ngo\u00e0i l\u00e0 l\u00fd do nghi\u00ean c\u1ee9u. Gi\u1ea3i th\u00edch chuy\u00ean gia \u0111\u1ed9c l\u1eadp c\u1ee7a APS n\u00f3i hi\u1ec7u n\u0103ng hi\u1ec7n v\u1eabn ch\u01b0a b\u1eb1ng \u0111\u1ed3ng h\u1ed3 nguy\u00ean t\u1eed t\u1ed1t nh\u1ea5t. Nh\u00f3m Trung Qu\u1ed1c c\u00f4ng b\u1ed1 thi\u1ebft k\u1ebf kh\u00e1c c\u00f9ng th\u1eddi \u0111i\u1ec3m; kh\u00f4ng \u0111\u01b0\u1ee3c g\u1ed9p \u0111i\u1ec1u ki\u1ec7n v\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a hai m\u00e1y.<\/p>\n

Th\u00ed nghi\u1ec7m ti\u1ebfp theo s\u1ebd ki\u1ec3m tra gi\u00e1 tr\u1ecb khoa h\u1ecdc<\/h2>\n

Nh\u00f3m ch\u00e2u \u00c2u so v\u1edbi \u0111\u1ed3ng h\u1ed3 nguy\u00ean t\u1eed b\u00ean ngo\u00e0i \u0111\u1ec3 t\u00ecm bi\u1ebfn \u0111\u1ed5i do m\u00f4 h\u00ecnh v\u1eadt ch\u1ea5t t\u1ed1i d\u1ef1 \u0111o\u00e1n. H\u1ecd kh\u00f4ng b\u00e1o t\u00ecm th\u1ea5y bi\u1ebfn \u0111\u1ed5i \u0111\u00f3. T\u1ef1 \u0111i\u1ec1u ch\u1ec9nh c\u0169ng kh\u00f4ng c\u00f3 ngh\u0129a b\u1ecf m\u1ecdi thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3. C\u1ea7n so s\u00e1nh m\u00e1y, \u0111\u00e1nh gi\u00e1 \u1ea3nh h\u01b0\u1edfng h\u1ec7 th\u1ed1ng, ch\u1ea1y l\u00e2u h\u01a1n v\u00e0 c\u1ea3i ti\u1ebfn. Tin \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u l\u1ea1i g\u1ea7n \u0111\u00e2y th\u00fac \u0111\u1ea9y b\u00e0i gi\u1ea3i th\u00edch n\u00e0y; ng\u00e0y c\u00f4ng b\u1ed1 th\u00ed nghi\u1ec7m v\u1eabn l\u00e0 7\/10.<\/p>\n

Ngu\u1ed3n g\u1ed1c v\u00e0 ki\u1ec3m ch\u1ee9ng \u0111\u1ed9c l\u1eadp<\/h2>\n

Ngu\u1ed3n g\u1ed1c: ng\u00e0y, k\u1ebft qu\u1ea3 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p: Nature<\/a><\/p>\n

Ngu\u1ed3n g\u1ed1c: ng\u00e0y, k\u1ebft qu\u1ea3 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p: TU Wien<\/a><\/p>\n

Ki\u1ec3m ch\u1ee9ng \u0111\u1ed9c l\u1eadp: th\u00f4ng b\u00e1o, s\u1ed1 \u0111o v\u00e0 ph\u1ea1m vi: American Physical Society<\/a><\/p>\n

Ki\u1ec3m ch\u1ee9ng \u0111\u1ed9c l\u1eadp: th\u00f4ng b\u00e1o, s\u1ed1 \u0111o v\u00e0 ph\u1ea1m vi: ABC Science<\/a><\/p>\n

\u0110\u1ecdc b\u1eb1ng ng\u00f4n ng\u1eef kh\u00e1c<\/h2>\n

\ud55c\uad6d\uc5b4<\/a> \u00b7 English<\/a> \u00b7 Espa\u00f1ol<\/a> \u00b7 \u65e5\u672c\u8a9e<\/a> \u00b7 Ti\u1ebfng Vi\u1ec7t<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u0110\u00e2y l\u00e0 m\u1eabu th\u1eed ph\u00f2ng th\u00ed nghi\u1ec7m c\u00f4ng b\u1ed1 ng\u00e0y 7\/10, ch\u01b0a v\u01b0\u1ee3t \u0111\u1ed3ng h\u1ed3 nguy\u00ean t\u1eed t\u1ed1t nh\u1ea5t hay ph\u00e1t hi\u1ec7n v\u1eadt ch\u1ea5t t\u1ed1i.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-2724","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/2724","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing"}],"about":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/types\/briefing"}],"wp:attachment":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=2724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}