{"id":9208,"date":"2018-03-22T08:19:17","date_gmt":"2018-03-22T01:19:17","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=9208"},"modified":"2018-04-13T14:34:24","modified_gmt":"2018-04-13T07:34:24","slug":"darpa-rot-von-nghien-cuu-tinh-the-thoi-gian-mong-muon-ap-dung-dang-vat-chat-nay-vao-quan-su","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/darpa-rot-von-nghien-cuu-tinh-the-thoi-gian-mong-muon-ap-dung-dang-vat-chat-nay-vao-quan-su\/","title":{"rendered":"DARPA r\u00f3t v\u1ed1n nghi\u00ean c\u1ee9u tinh th\u1ec3 th\u1eddi gian, mong mu\u1ed1n \u00e1p d\u1ee5ng d\u1ea1ng v\u1eadt ch\u1ea5t n\u00e0y v\u00e0o qu\u00e2n s\u1ef1"},"content":{"rendered":"

L\u1ea7n cu\u1ed1i c\u00f9ng c\u1ee5m t\u1eeb “tinh th\u1ec3 th\u1eddi gian \u2013 time crystal” xu\u1ea5t hi\u1ec7n, n\u00f3 \u0111\u00e3 l\u00e0m khu\u1ea5y \u0111\u1ea3o gi\u1edbi khoa h\u1ecdc: l\u00fac \u1ea5y, ta \u0111\u00e3 ch\u00ednh th\u1ee9c c\u00f3 m\u1ed9t tr\u1ea1ng th\u00e1i v\u1eadt ch\u1ea5t m\u1edbi. Nh\u01b0ng d\u00f9 ta c\u00f3 hi\u1ec3u \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t tinh th\u1ec3 th\u1eddi gian, ta v\u1eabn ch\u01b0a t\u00ecm ra \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee7a n\u00f3.<\/p>\n

\u0110\u00f3 ch\u00ednh l\u00e0 m\u1ee5c ti\u00eau m\u00e0 B\u1ed9 Qu\u1ed1c ph\u00f2ng Hoa K\u1ef3 nh\u1eafm t\u1edbi, h\u1ecd mu\u1ed1n nghi\u00ean c\u1ee9u c\u1ee5 th\u1ec3 xem tinh th\u1ec3 th\u1eddi gian l\u00e0m \u0111\u01b0\u1ee3c g\u00ec.<\/p>\n

N\u1ebfu b\u1ea1n ch\u01b0a hi\u1ec3u r\u00f5 tinh th\u1ec3 th\u1eddi gian l\u00e0 g\u00ec, h\u00e3y \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y.<\/p>\n

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C\u01a1 quan C\u00e1c d\u1ef1 \u00e1n Nghi\u00ean c\u1ee9u ph\u00f2ng th\u1ee7 ti\u00ean ti\u1ebfn (DARPA) tr\u1ef1c thu\u1ed9c B\u1ed9 Qu\u1ed1c ph\u00f2ng tuy\u00ean b\u1ed1 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh m\u1edbi, g\u00e2y qu\u1ef9 nghi\u00ean c\u1ee9u nh\u1eefng h\u1ec7 th\u1ed1ng v\u1eadt ch\u1ea5t c\u00f2n nhi\u1ec1u b\u00ed \u1ea9n n\u00e0y. Ch\u01b0\u01a1ng tr\u00ecnh n\u00e0y c\u00f3 t\u00ean DRINQS, vi\u1ebft t\u1eaft cho “H\u1ec7 th\u1ed1ng L\u01b0\u1ee3ng t\u1eed B\u1ecb th\u00fac \u0111\u1ea9y v\u00e0 Kh\u00f4ng c\u00e2n b\u1eb1ng”. T\u1ea1i sao b\u1ed7ng d\u01b0ng h\u1ecd l\u1ea1i h\u1ee9ng th\u00fa v\u1edbi nghi\u00ean c\u1ee9u n\u00e0y?<\/p>\n

“\u1ee8ng d\u1ee5ng n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111\u1ed3ng h\u1ed3 nguy\u00ean t\u1eed, t\u1ea1i \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 s\u1eafp x\u1ebfp nh\u1eefng nguy\u00ean t\u1eed, l\u00e0m rung ch\u00fang \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c th\u1eddi gian<\/i>“, Ale Lukaszew, gi\u00e1m \u0111\u1ed1ng ph\u00f2ng khoa h\u1ecdc ph\u00f2ng th\u1ee7 t\u1ea1i DARPA n\u00f3i v\u1edbi t\u1ea1p ch\u00ed Gizmodo.<\/p>\n

“C\u00f3 th\u1ec3 c\u00f3 nh\u1eefng \u1ee9ng d\u1ee5ng kh\u00e1c n\u1eefa li\u00ean quan t\u1edbi vi\u1ec7c \u0111o \u0111\u1ea1c s\u1ef1 nh\u1ea1y c\u1ea3m c\u1ef1c k\u1ef3 tinh vi c\u1ee7a th\u1eddi gian v\u00e0 nghi\u00ean c\u1ee9u s\u00e2u v\u1ec1 l\u0129nh v\u1ef1c t\u1eeb tr\u01b0\u1eddng. Tuy nhi\u00ean ch\u00fang t\u00f4i kh\u00f4ng th\u1ec3 n\u00f3i nhi\u1ec1u h\u01a1n v\u1ec1 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c<\/i>“.<\/p>\n

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Ta c\u00f3 th\u1ec3 hi\u1ec3u m\u1ed9t c\u00e1ch kh\u00e1c: vi\u1ec7c \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 tinh th\u1ec3 th\u1eddi gian trong l\u0129nh v\u1ef1c qu\u00e2n s\u1ef1 l\u00e0 ho\u00e0n to\u00e0n tuy\u1ec7t m\u1eadt.<\/p>\n

N\u00f3i ng\u1eafn g\u1ecdn v\u1ec1 m\u1ed9t tinh th\u1ec3 th\u1eddi gian: n\u00f3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng c\u00e1c nguy\u00ean t\u1eed b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u1ed9t l\u1ef1c, v\u00ed d\u1ee5 nh\u01b0 m\u1ed9t t\u1eeb tr\u01b0\u1eddng. L\u1ef1c n\u00e0y s\u1ebd khi\u1ebfn c\u00e1c nguy\u00ean t\u1eed xoay v\u00e0 \u0111\u1ed5i h\u01b0\u1edbng. Tuy nhi\u00ean, t\u1ed1c \u0111\u1ed9 v\u00e0 v\u00f2ng xoay kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nh\u1ecbp l\u1ef1c c\u1ee7a tr\u01b0\u1eddng t\u1ea1o \u1ea3nh h\u01b0\u1edfng l\u00ean h\u1ec7 th\u1ed1ng.<\/p>\n

Ch\u01b0\u01a1ng tr\u00ecnh DRINQS s\u1ebd c\u00f3 \u0111\u1ee7 qu\u1ef9 nghi\u00ean c\u1ee9u nhi\u1ec1u th\u1ee9 kh\u00e1c ngo\u00e0i tinh th\u1ec3 th\u1eddi gian. S\u1ee9 m\u1ec7nh c\u1ee7a h\u1ecd l\u00e0 nghi\u00ean c\u1ee9u nh\u1eefng g\u00f3c b\u00ed \u1ea9n c\u1ee7a c\u01a1 h\u1ecdc l\u01b0\u1ee3ng t\u1eed v\u00e0 t\u00ecm c\u00e1ch t\u00e1c \u0111\u1ed9ng v\u00e0o m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e0 v\u1eabn l\u00e0m c\u00e1c nguy\u00ean t\u1eed \u1ed5n \u0111\u1ecbnh (v\u00ed d\u1ee5 nh\u01b0 th\u00eam l\u1ef1c \u0111i\u1ec7n t\u1eeb v\u00e0o m\u1ed9t h\u1ec7 th\u1ed1ng c\u00e1c nguy\u00ean t\u1eed m\u00e0 v\u1eabn khi\u1ebfn ch\u00fang \u1ed5n \u0111\u1ecbnh).<\/p>\n

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H\u1ec7 th\u1ed1ng th\u00f4ng th\u01b0\u1eddng b\u00ean tr\u00e1i s\u1ebd k\u00e9m \u1ed5n \u0111\u1ecbnh khi b\u1ecb t\u00e1c \u0111\u1ed9ng, h\u1ec7 th\u1ed1ng b\u00ean ph\u1ea3i l\u00e0 c\u00e1ch th\u1ee9c ti\u1ebfp c\u1eadn v\u1ea5n \u0111\u1ec1 c\u1ee7a DARPA, khi\u1ebfn h\u1ec7 th\u1ed1ng \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/p>\n<\/div>\n<\/div>\n

N\u1ebfu nh\u01b0 th\u00e0nh c\u00f4ng, h\u1ecd c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c nguy\u00ean t\u1eed duy tr\u00ec \u0111\u01b0\u1ee3c thu\u1ed9c t\u00ednh c\u01a1 h\u1ecdc l\u01b0\u1ee3ng t\u1eed c\u1ee7a m\u00ecnh \u0111\u01b0\u1ee3c l\u00e2u h\u01a1n.<\/p>\n

DARPA vi\u1ebft trong th\u00f4ng c\u00e1o b\u00e1o ch\u00ed nh\u01b0 th\u1ebf n\u00e0y:<\/p>\n

“\u0110\u1ed9i ng\u0169 nghi\u00ean c\u1ee9u s\u1ebd ph\u00e1t tri\u1ec3n nh\u1eefng giao th\u1ee9c chu\u1ea9n nh\u1eb1m \u1ed5n \u0111\u1ecbnh c\u00e1c li\u00ean k\u1ebft c\u00f3 trong m\u1ed9t h\u1ec7 th\u1ed1ng b\u1ecb t\u00e1c \u0111\u1ed9ng, ch\u1ee9ng minh \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m quy chu\u1ea9n g\u1ea5p 10, th\u1eadm ch\u00ed l\u00e0 100 l\u1ea7n, \u0111i\u1ec1u n\u00e0y s\u1ebd c\u1ea3i thi\u1ec7n gi\u1edbi h\u1ea1n chu\u1ea9n m\u1ef1c v\u1ed1n c\u00f3 trong li\u00ean k\u1ebft l\u01b0\u1ee3ng t\u1eed<\/i>“.<\/p>\n

\u0110\u1ea7u ti\u00ean, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ngh\u0129 ngay t\u1edbi \u0111\u1ed3ng h\u1ed3 c\u1ef1c ch\u00ednh x\u00e1c. Nghe th\u00ec c\u00f3 v\u1ebb … kh\u00f4ng to t\u00e1t l\u1eafm, nh\u01b0ng th\u1ef1c s\u1ef1 th\u00ec th\u1eddi gian c\u1ef1c k\u1ef3 ph\u1ee9c t\u1ea1p v\u00e0 m\u1ed9t chi\u1ebfc \u0111\u1ed3ng h\u1ed3 si\u00eau ch\u00ednh x\u00e1c s\u1ebd gi\u00fap ta nhi\u1ec1u l\u1eafm.<\/p>\n

Ta bi\u1ebft r\u1eb1ng l\u1ef1c h\u1ea5p d\u1eabn c\u00e0ng l\u1edbn, th\u1eddi gian tr\u00f4i c\u00e0ng ch\u1eadm. B\u1eb1ng vi\u1ec7c nghi\u00ean c\u1ee9u hi\u1ec7u \u1ee9ng c\u1ee7a l\u1ef1c h\u1ea5p d\u1eabn v\u1edbi m\u1ed9t \u0111\u1ed3ng h\u1ed3 si\u00eau ch\u00ednh x\u00e1c, ta c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng h\u1ec7 th\u1ed1ng ti\u00ean ti\u1ebfn nh\u01b0 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed m\u00e0 kh\u00f4ng c\u1ea7n t\u1edbi v\u1ec7 tinh GPS.<\/p>\n

“Khi m\u00e0 b\u1ea1n c\u1ea7n d\u1eabn \u0111\u01b0\u1eddng nh\u01b0ng l\u1ea1i kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n c\u1ee7a GPS, b\u1ea1n s\u1ebd g\u1eb7p r\u1eafc r\u1ed1i l\u1edbn<\/i>“, Lukaszew n\u00f3i, “nh\u1eefng lo\u1ea1i c\u00f4ng ngh\u1ec7 n\u00e0y s\u1ebd cho ph\u00e9p ta v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c nh\u1eefng kh\u00f3 kh\u0103n \u1ea5y, c\u00f3 th\u1ec3 d\u1eabn \u0111\u01b0\u1eddng v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng m\u00e0 kh\u00f4ng c\u1ea7n GPS<\/i>“.<\/p>\n

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Nh\u01b0ng \u0111\u00f3 ch\u01b0a ph\u1ea3i t\u1ea5t c\u1ea3. Th\u1eddi gian v\u1edbi li\u00ean k\u1ebft cao \u2013 High coherence time c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed. Nh\u00e0 v\u1eadt l\u00fd h\u1ecdc t\u1ea1i Harvard, \u00f4ng Ronald Walsworth n\u00f3i v\u1edbi Gizmodo r\u1eb1ng \u0111\u1ed9i ng\u0169 c\u1ee7a \u00f4ng c\u0169ng \u0111ang nghi\u00ean c\u1ee9u m\u1ed9t h\u1ec7 th\u1ed1ng kh\u00f4ng c\u00e2n b\u1eb1ng, c\u00f3 t\u00ean trung t\u00e2m c\u00f3 kho\u1ea3ng kh\u00f4ng nitro.<\/p>\n

Ch\u00fang l\u00e0 nh\u1eefng vi\u00ean kim c\u01b0\u01a1ng nh\u01b0ng c\u00f3 c\u00e1c nguy\u00ean t\u1eed carbon thay b\u1eb1ng c\u00e1c nguy\u00ean t\u1eed nitro, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng trong c\u1ea3i thi\u1ec7n ch\u1ee5p c\u1ed9ng h\u01b0\u1edfng t\u1eeb hay nh\u1eefng l\u0129nh v\u1ef1c li\u00ean quan t\u1edbi t\u1eeb t\u00ednh kh\u00e1c.<\/p>\n

DARPA s\u1ebd cung c\u1ea5p qu\u1ef9 cho nh\u1eefng vi\u1ec7n nghi\u00ean c\u1ee9u kh\u00e1c n\u1eefa, v\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn \u0111\u01b0\u1ee3c ph\u00e9p xu\u1ea5t b\u1ea3n \u0111a s\u1ed1 nh\u1eefng nghi\u00ean c\u1ee9u c\u1ee7a m\u00ecnh cho c\u1ed9ng \u0111\u1ed3ng c\u00f9ng tham kh\u1ea3o. Suy cho c\u00f9ng, th\u00ec n\u00f3 v\u1eabn l\u00e0 ch\u01b0\u01a1ng tr\u00ecnh khoa h\u1ecdc c\u01a1 b\u1ea3n th\u00f4i, Lukaszew n\u00f3i. “Nh\u1eefng g\u00ec thu\u1ed9c h\u00e0ng tuy\u1ec7t m\u1eadt s\u1ebd \u0111\u1ec1u l\u00e0 nh\u1eefng th\u1ee9 c\u00f3 k\u1ebft qu\u1ea3 c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn, nh\u1eefng th\u1ee9 m\u00e0 DARPA cho r\u1eb1ng c\u00f3 ti\u1ec1m n\u0103ng bi\u1ebfn th\u00e0nh th\u1ee9 g\u00ec \u0111\u00f3 c\u00f3 l\u1ee3i cho vi\u1ec7c qu\u1ed1c ph\u00f2ng<\/i>“.<\/p>\n

Hi\u1ec7n t\u1ea1i, v\u1eabn ch\u01b0a c\u00f3 nh\u00e0 nghi\u00ean c\u1ee9u n\u00e0o \u0111\u01b0\u1ee3c tuy\u1ec3n ch\u1ecdn, nh\u01b0ng h\u1ea1n cu\u1ed1i n\u1ed9p \u0111\u01a1n l\u00e0 m\u00f9ng 9 th\u00e1ng T\u01b0 t\u1edbi c\u01a1. Lukaszew cho r\u1eb1ng k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u1ea7u ti\u00ean c\u1ee7a d\u1ef1 \u00e1n n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n cu\u1ed1i n\u0103m nay.<\/p>\n

ngu\u1ed3n: genK.vn
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L\u1ea7n cu\u1ed1i c\u00f9ng c\u1ee5m t\u1eeb “tinh th\u1ec3 th\u1eddi gian \u2013 time crystal” xu\u1ea5t hi\u1ec7n, n\u00f3 \u0111\u00e3 l\u00e0m khu\u1ea5y \u0111\u1ea3o gi\u1edbi khoa h\u1ecdc: l\u00fac \u1ea5y, ta \u0111\u00e3 ch\u00ednh th\u1ee9c c\u00f3 m\u1ed9t tr\u1ea1ng th\u00e1i v\u1eadt ch\u1ea5t m\u1edbi. Nh\u01b0ng d\u00f9 ta c\u00f3 hi\u1ec3u \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t tinh th\u1ec3 th\u1eddi gian, ta v\u1eabn ch\u01b0a t\u00ecm ra \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch […]<\/p>\n","protected":false},"author":18,"featured_media":9209,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-9208","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/9208","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=9208"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/9208\/revisions"}],"predecessor-version":[{"id":9712,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/9208\/revisions\/9712"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/9209"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=9208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=9208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=9208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}