涓浣绌胯涓寮娉㈠板涔锛

2015骞8搴ｈㄦ濂锛绉骞绘瀛璇鸿灏濂锛绉骞诲涓浣涓缃杈浠浣浜洪ｉ涓轰汉绫"茶"ヤ涓澶хㄢ寮娉㈠ぉ绾匡浠舵浜涔揩瑕琚浜虹被靛奖绌胯涓Cooper抽杩寮娉㈢┛瓒堕村绌洪寸濂冲Murph浼浜淇℃姝ｅ绡褰辫璇达藉绌胯锛涓姝㈠娉杩便ㄧ瀹涓娉㈢瀹瀛ㄥ锛绉瀛浠ュ氨娌℃惧杩瀵绘惧娉㈢韪抗

寮娉㈡卞箍涔稿璁猴ㄥ兼瀛韬涔浠ｇ╃瀛涓杩娌℃琚存璇瀹棰瑷锛瀛ㄩ存璇淇拌锛寮娉㈡瀹涓绉规剁┖娑婕锛姝や浠ュ舵宠薄ㄦ剁┖涓寰捣浼峰╃瀛父璇浜轰滑界ラ涓寮澶涓浣负浣寮娉㈠撮句互娴瀹ㄦ涓轰寮瀹ㄥお寰急浜锛褰璐ㄩ揪板澶炽扮浜风伴骇锛浜轰滑芥瑙板跺寮娉㈢告涔涓村寰急

2014骞3锛NASA缇界瀛浠杩浣浜锛╄涓哄浠ラ垮ヨ洪璁佃骞挎互朵ュ父靛浜у垫尝骞叉帮BICEP2锛Background Imaging of Cosmic Extragalactic Polarization锛瀹瀹舵渤绯诲惧杩瑙娴颁寮娉㈢稿充俊锛杩汉绫婚娆℃娴ㄥ瀹璇涔存定涓娉㈠ㄧ存璇璧峰锛姝ゅ琚涓烘绾风存х锛涔璁ゅ藉寰涓涓涓璐灏濂锛浣NASA杩涓寰蹇革绉瀛浠瑙娴缁捐涓杩涓烘朵搴わ璇瀹浜杩虹┖娆㈠锛涓鸿浜淇″浠浠瀹涓灏宸诧璁烘棰A Joint Analysis of BICEP2/Keck Array and Planck Data锛璇

ｄヤ锛浜虹被㈠伴剧┒绔澶澶э寮娉㈠板ヨ锛芥缁寮娉锛寮娉㈢藉涓哄瀹澶х哥璁烘渚纭跨璇锛

1. ㈠伴

澶浼间村寮娉㈢绌朵瑙ｅ苟涓澶锛璁や负跺璧锋锛涓鸿归㈢绌舵涓稿ヤ骇轰姝ｆ椋╄澶х绉椤圭绉浜哄涔寰楂濂藉锛浠ヤ浠浣浣浣锛跺╁1968骞达缇界╃瀛Joseph Weber渚垮０绉拌繁浣跨ㄧ变浜宸ㄥぇ姘剁绁绉娴ㄦ娴颁寮娉浣琚璇瀹涓绉瀛瀵瑰娉㈢稿崇绌跺凡缁濮浜濂藉骞达涓存病

寮娉㈡ㄥ法澶х╀杩舵浜х板ㄦ娑婕寮娉㈢浼瀹灏浼告ゅ╀锛浣杩浜褰㈠浠浠浜瀛骇锛姣瀛村绮瀛姣瀛村井瑙╄川灞娆★姝わ绌朵汉涓磋鹃杩瑙瀵杩╀浣琚娉㈠奖ラ璇跺朵腑惧害宠ャ

杩锛绉瀛浠村惧浜娇ㄦ骞叉浠ユ瀵诲娉婵骞叉浠涓婵涓轰袱存瑰锛骞跺部涓涓跨绌洪灏锛杩浜剧疆娴娴娌跨杩涓ゆ″璺灏板濮圭娉濡娉㈠ㄦ部璺跺板娉㈢骞叉帮灏涓濮瀹ㄤ

涓骞叉寮娉㈠ぉ锛Laser Interferometer Gravitational-Wave Observatory锛LIGO锛绫讳技锛板哄共娑浠婵涓4km裤ョ澶╁哄共娑浠璇稿Deci-hertz骞叉寮娉㈠ぉ锛Deci-hertz Interferometer Gravitational Wave Observatory锛DECIGO锛杩婵骞叉绌洪村ぉ绾匡Evolved Laser Interferometer Space Antenna锛eLISA锛涓浣跨ㄧ婵瀹ㄥ寮灞杈剧句裤ㄦュ骞村锛╃ㄥぉ哄共娑浠娴寮娉㈢稿冲楠灏姝ュ灞锛骞朵eLISA璺灏浠诲′杩ㄧ

2. 寮娉㈡ヨ

寮娉㈢涓昏ユ舵婚藉ㄨ琛澶╀╃杩绋锛澶╀杩ㄣ荤锛锛楂杩ㄤ楂搴╀浠ュ澶ц川ぉ浣杩ㄣ纰版戒浜х寮娉㈠苟涓ㄨ缁堕撮褰㈡娉涔灏辨扮剁┖娑婕浠钩舵瑙╀璐ㄩお灏浜х寮娉㈠お寮憋浠ュ瀹涓ぇ璐ㄩぉ浣杩ㄣ纰版绛琛涓洪戒浜х寮虹寮娉朵腑捐瀵圭界榛娲杞杩绉绯荤杩灏寮娉㈣娓澶卞惰介1974骞磋Hulse-Taylor叉楠璇浜姝ょ锛姝よ叉瀛ㄩ存璇寮娉㈢瀛惰介骞夸稿璁烘棰娴琛板灏界寮娉㈡韩浠瀵帮

绌朵汉涓村ㄤ炬撮句互哥瀹璇涔浜х寮娉冲锛primordial锛瀹瀹瀛腑涓涓衡锛规瀹瀹瀛存定锛冲瀹╂缁ュуㄨ杩绋杩涓舵锛寮娉锛涓鸿138浜垮勾瀹瀹澶х镐腑浜х杩广

3. BICEP2藉娴板娉

BICEP2涔涓璇娴板寮娉㈠ㄥ瀹寰尝灏锛CMB锛涓拌瀹瀹寰尝灏锛CMB锛瀹虹绗缂锛ㄥぇ镐ｆ跺翠釜瀹瀹杩婕榛锛瀹瀹瓒ヨ澶э娓╁害杩浣村版俯搴冻澶浣澶х稿ぇ绾38涓骞翠互瀹瀹烘瀛轰绗锛浜虹被杩界板瀹38涓宀剁瀹瀹э锛杩惰绂荤涓棰璇杩寰夸娈垫堕淬

褰娉㈡部涓瑰瑰ㄦ讹绉瀛浠О朵负濡寮娉㈠虹ㄥ瀹寰尝灏璇讹灏甯ヤ涓圭婕╂丁讹虹腑锋诧崇О涔涓衡B妯♀姝わB妯♀娉㈢存璇杩涓瑰瑕锛绫讳技BICEP2瀹楠骞朵界存拌娴哄娉借娴寮娉㈢涓瓒宠抗跺锛绉瀛浠宠璇浜瓒宠抗介甯稿伴俱B妯♀甯告典ㄥぇ灏惧寮哄ぇ淇″涓锛琚贩娣浜澶绉涓绫诲ā寮寮搴濡浣よ浜浠ュ朵姹℃╃褰卞椤归甯稿浠诲★骞朵甯稿父瑕渚璧浜朵瀹楠缁濡ㄥ瀹寰尝灏涓颁B妯♀甯锛姣氨寮娉冲ㄦ存定翠骇寮娉璇

杩涓鹃琚涓浠BICEP瀹楠璇稿Atacama瀹瀹杩锛Atacama Cosmology Telescope锛ACT锛浠ュ惰涓缁т换AdvACT瑙ｅ炽绉瀛浠╃ㄨ浜杩灏芥娴翠澶瀹瀹寰尝灏锛骞跺浠涓浠BICEP瀹楠涓辈板ぇ绮灏朵姹℃╁缓妯＄瀹璐电锛杩璁┾B妯♀妫娴ㄦュ骞村瀹浜瀛娴锛ュ宸茬ュぉ浣╃杩绋涓妫娴扮寮娉绌洪村共娑浠璁歌藉娴板寮娉

4. 寮娉㈡娉璇瀹澶х

拌寮娉㈠浠ュ舰浜ぉ浣讳浠朵腑锛浣寮娉㈢璧锋骞堕ヨぇ革the Big Bang锛瀹存定锛澶х稿瀹缁涓娈电扮骇ㄨ杩绋锛锛冲寮娉瀹瀹寰尝灏锛瀹瀹38涓宀剁瀹瀹э磋褰浜寮娉㈢韪抗瀹瀹存定ㄨ璁や负╂瀹瀹涓昏妯″界堕充瀹存定璁稿抽ч娴琚涓璇瀹锛寮娉㈢瀛ㄤ舵В涔璋

涓BICEP2澹扮О寮娉㈡娴扮瀹瀹ㄨ甯ョ惰杩绗骞夸稿璁虹棰娴缁棰瑷涓涓杩ㄧ╀藉哄娉杩涓佃峰灏电娉㈢被浼硷浠ヨ锛濡界存瑙娴板娉浜轰滑灏ラ瀹瀹存定剁介骇锛浠浣夸汉浠存杩缁浜瑙ｅ瀹澶х哥搞浣剧寮娉㈠苟涓戒涓哄瀹澶х稿ㄧ璇

5. 娴寮娉㈤瑕澶涓楠

规ぇ缁璁＄锛娴寮娉㈡瑕涓姝涓楠寮娉㈠娉峰锋涓棰锛涓ょ娴B-妯″婵骞叉浠藉ㄤ互冲稿樊15涓伴骇棰瀵诲娉

规绠存定璁猴寮娉㈢ㄤ涓瑰棰璋变腑㈠璇璇达涓棰瀵瑰涓骞笺姝わ濡绉瀛浠芥娴颁袱绉涓ょ浠ヤ涓棰寮娉杩灏浣涓哄瀹存定璇充娇寮虹‖璁鸿涔娉椹炽

杩涓藉煎锛

浣跨ㄧ涓浠ｇ┖村共娑浠濮寮娉㈢ョ烘戒锛浣┒绔ョ骞叉浠藉ョ寮娉俊杩涓寰ャ惰濡绉瀛浠界存妫娴板ぉ浣寮娉灏涓哄澶瀛寮涓楠璇卞箍涔稿璁烘纭澶чㄣ姝ゅ锛寮娉㈡归㈢绌惰灏涓轰汉浠舵渤绯诲榛娲璁ょユ渚拌瑙

稿虫

1. BICEP2 I: Detection Of B-mode Polarization at Degree Angular Scales | Phys. Rev. Lett. 112, 241101 (2014) | DOI: 10.1103/PhysRevLett.112.241101 | http://arxiv.org/abs/1403.3985<br/>

2. A Joint Analysis of BICEP2/Keck Array and Planck Data | Phys. Rev. Lett. 114, 101301 (2015) | DOI: 10.1103/PhysRevLett.114.101301 | http://arxiv.org/abs/1502.00612<br/>

3. Focus: A Fleeting Detection of Gravitational Waves. http://physics.aps.org/story/v16/st19<br/>

4. J. Weber, Gravitational-Wave-Detector Events, Phys. Rev. Lett. 20, 1307 (1968)<br/>

5. Gravitational Waves: Ripples in the fabric of space-time. http://space.mit.edu/LIGO/more.html<br/>

6. The Japanese space gravitational wave antenna - DECIGO |  Journal of Physics: Conference Series, Volume 122, conference 1 | http://iopscience.iop.org/article/10.1088/1742-6596/122/1/012006/meta;jsessionid=FDBA35DE8AC0B9D01FCE8759208C71DD.c1<br/>

7. https://www.elisascience.org/articles/lisa-pathfinder/lpf-mission<br/>

8. Lisa Pathfinder: Gravity quest set to go into orbit. http://www.bbc.com/news/science-environment-34152577<br/>

9. The Hulse-Taylor Pulsar - Evidence of Gravitational Waves. http://www.astro.cardiff.ac.uk/research/gravity/tutorial/?page=3thehulsetaylor<br/>

10. COSMIC MICROWAVE BACKGROUND RADIATION. http://www.bbc.co.uk/science/space/universe/sights/cosmic_microwave_background_radiation<br/>

11. Clear and Measurable Signature of Modified Gravity in the Galaxy Velocity Field | Wojciech A. Hellwing, et al. | Physical Review Letters | PRL 112, 221102 (2014). | DOI: 10.1103/PhysRevLett.112.221102

锛璇瀹/缂杈锛Charles Yu锛