从精确单圈有效作用量推导BEC-BCS渡越中无间隙模式的流体动力学
其他凝聚态物理
2008-11-26 v3 高能物理 - 唯象学
摘要
我们表明，在T=0时存在Feshbach共振的BEC/BCS渡越的许多流体动力学性质，可以很容易地从（精确的）完全重整化的单圈有效作用量的导数展开中推导出来。特别是，我们计算了BCS和BEC区域中的声速，并推导了复合双流体系统的广义超流连续性方程。
引用
@article{arxiv.cond-mat/0606243,
title = {Derivation of hydrodynamics for the gapless mode in the BEC-BCS crossover from the exact one-loop effective action},
author = {Da-Shin Lee and Chi-Yong Lin and Ray J. Rivers},
journal= {arXiv preprint arXiv:cond-mat/0606243},
year = {2008}
}
备注
Four pages, 1 figure. Whereas v.2 contained additional references, but was otherwise unchanged, this new version contains new material concerning our ability to provide a hydrodynamical description of the BEC/BSC system. This explains the change of title. Our old results are unaffected