logo

korean english

게시판

Home > 게시판 > 세미나

아래와 같이 콜로퀴움을 개최하오니 많이 참석해 주시기 바랍니다. 4시 20분부터 제1과학관 31214 e+강의실 앞에서 다과를 준비하오니 많은 참석 부탁드립니다 아 래 제목: "Einstein was wrong?"--Two-proton spin- correlation measurement for EPR paradox. 연사: 사카이 히데유키 교수(RIKEN, 성균관대학교) 일시: 2010년 10월 8(금) 오후4:30 장소: e+첨단강의실 (31214호실) 초록: We have carried out the spin-correlation measurement of two protons in a spin singlet state aiming to test the EPR paradox presented by Einstein, Podolsky and Rosen in 1935. The EPR proposed a thought experiment in which they showed according to quantum mechanics that the result of a measurement of an entangled quantum system performed on earth, for example, can instantaneously influence the result of a measurement performed on the far distant Galaxy regardless of the distance. This of course contradicts with the theory of special relativity by Einstein, no information can be transmitted faster than the speed of light. Therefore EPR argued that quantum mechanics must be incomplete. In 1964, Bell found an extremely important inequality which is the embodiment of the EPR arguments. The prediction of the spin-correlation by the Bell's inequality is different from that by the quantum mechanics so that we can test experimentally which assertion is right by the measurement. After a short introduction of the EPR paradox, I try to explain how we realized almost pure spin singlet state of two protons experimentally and how we measured the spin polarizations of two protons followed by the result.
번호 제목 날짜 조회 수
공지 <12/8(Thu.) 11:00am>노벨상 소개 강연 - 2016년 노벨 물리학상: 위상 응집 물리의 탄생 2016.11.28 1055732
402 <9/17>Computational studies of materials and nanostructures 2010.09.08 77658
» <10/8>"Einstein was wrong?"--Two-proton spin- correlation measurement for EPR paradox. 2010.10.04 136342
400 <10/15> Electric control of magnetic nanostructures via spin torque 2010.10.08 109045
399 <10/29> 분자 나노자성체에 대한 소개 2010.10.15 79982
398 <11/5> Modified nucleic acid systems for biomedical applications 2010.11.01 116702
397 <11/12> 다윈의 식탁 - 현대 진화론의 맛있는 논쟁 2010.11.05 82058
396 <11/19> From Schrödinger's cat to quantum technology using light 2010.11.11 97045
395 <11/26> The Carbon New Age 2010.11.18 93169
394 <12/3> Characteristic of risk asset in financial market. 2010.11.29 124059
393 2011학년도 1학기 콜로퀴엄 일정 안내 2011.01.25 79352
392 <3/9> Understanding the Nature of Metal-Insulator Transition in a Single Crystalline VO2 nanowires 2011.03.04 93324
391 <3/16> Inelastic X-ray Scattering: past, present, and the future 2011.03.10 86768
390 <3/23> 동서양의 세계관과 풍경화 2011.03.17 84633
389 <3/30> Supersolidity in Helium 2011.03.25 84174
388 <4/6> Knowledge is power: Maxwell's demon in the quantum wonderland 2011.03.31 126162
387 <4/27> RENO Reactor Neutrino Experiment 2011.04.18 105796
386 <5/4> Kondo effect in nanoscopic devices 2011.04.28 83926
385 <5/11> Hybrid Josephson Junctions of Various Nanostructures 2011.05.04 96071
384 <5/18> Three magics to hold an atom without perturbation 2011.05.09 96556
383 <5/25> 나노켈빈 원자 기체의 보즈-아인슈타인 응집 2011.05.18 84149