中文

BCS均场隧挡�幅在零温度下的高斯涨落修正

强关联电子 2007-05-23 v3 超导电性

摘要

计算了弱耦合零温BCS超导导隙方程的主导(高斯)涨落修正。我们发现,主要贡献来自高能和高动量(相对于隧挡而言),给出的修正小于均场项的弱耦合因子 gN0gN_0。由于�幅模和相位模在高能和高动量处的奇异贡献相互抵消,该修正较小。

关键词

引用

@article{arxiv.cond-mat/0207190,
  title  = {Gaussian fluctuation corrections to the BCS mean field gap amplitude at zero temperature},
  author = {S. Kos and A. J. Millis and A. I. Larkin},
  journal= {arXiv preprint arXiv:cond-mat/0207190},
  year   = {2007}
}

备注

New author added. Incorrect calculations of previous version corrected and conclusions revised Rev 2: New references added, minor misprints corrected