这个题目由庞海作为小道消息讲。如果需要文章可以在评论中写上你的邮件地址,我们给你寄去。 The von Neumann relation generalized to coarsening of three-dimensional microstructures R. D. MacPhersonandD. J. Srolovitz, Nature 446 , 1053-1055 (26 April 2007). Abstract Cellular ...
周四讨论班题目:最近关于磁单极的实验报道 关于最近的磁单极实验,这里有一个简要的报道: http://www.sciencedaily.com/releases/2009/09/090903163725.htm 这里是那篇文章: D.J.P. Morris, D.A. Tennant, S.A. Grigera, B. Klemke, C. Castelnovo, R. Moessner, C. Czter-nasty, M. Meissner, K.C. Rule, J.-U. ...
A QUANTUM ARROW OF TIME The mathematical laws of physics work just as well for events going forward or going backward in time. Yet in the real world, hot coffee never unmixes itself from cold milk. A theorist publishing in the 21 August Physical Review Letters offers a new explanation for this a ...
THE OVERLAP OF TWO PHOTONS Physicists routinely use a movable mirror to measure the timing of laser pulses that are only femtoseconds (10-15 seconds) long, and now they have extended the technique to pairs of photons. A team reporting in the 18 September Physical Review Letters studied entang ...
周四讨论班题目:相干态 I 相干态准备分两个部分,这是其中的一部分。估计需要讲两次,当然你也可以讲其中的一部分。 W.-M.ZhangD. H. Feng, and R. Gilmore, Coherent states: Theory and applications, Rev. Mod. Phys., 62 , 867, 1990. 有些同学度过这篇文章,可以讲一次啊。 谁要讲这个 ...
周四讨论班:Black Holes, Information and the String theory revolution: The Holographic Uiverse 时间:2009.12.24. 下午 4:306:10 地点:18教学楼405室 主讲:周艳珺 题目(可以只讲书中的一部分): L. Susskind and J. Lindesay, An Introduction to Black Holes, Information and the Stri ...