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Classical two-site fidelity and quantum phase transitions in the Ising model and the extended Hubbard model 期刊论文
physics letters a, 2008, 卷号: 372, 期号: 40, 页码: 6207-6211
Li, YC
收藏  |  浏览/下载:14/0  |  提交时间:2010/03/08
Loschmidt echo and Berry phase of a quantum system coupled to an XY spin chain: Proximity to a quantum phase transition 期刊论文
physical review a, 2007, 卷号: 75, 期号: 1, 页码: art.no.012102
Yuan ZG (Yuan Zi-Gang); Zhang P (Zhang Ping); Li SS (Li Shu-Shen)
收藏  |  浏览/下载:30/0  |  提交时间:2010/03/29
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Density matrix Loschmidt echo and quantum phase transitions 期刊论文
physical review a, 2007, 卷号: 76, 期号: 3, 页码: art.no.032117
Li, YC (Li, Yan-Chao); Li, SS (Li, Shu-Shen)
收藏  |  浏览/下载:27/0  |  提交时间:2010/03/29


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