超导体的能隙、临界电流密度与弛豫之间的关联
超导电性
2021-11-19 v1 计算物理
摘要
超导体与其他固体一样,无法从激发态瞬时弛豫到热力学平衡。本文研究了热激发下的弛豫,例如吸收辐射后,或在导体运动下机械张力释放并转化为热能时的弛豫。弛豫在有限时间段内进行,且超导体温度越接近其临界值,该时间段越长。本文借助多粒子系统性质(通过与核物理类比加以说明)、基本热力学考量(温度仅在平衡条件下唯一确定)以及标准多组分传热原理(固体传导加薄膜中的辐射)作为工具,来证明这一预期。结果表明,能隙、超导体临界电流密度与临界温度同超导体电子系统的弛豫速率和弛豫时间紧密关联。通过数值模拟,尝试找出薄膜超导体中这些性质的定量关联。
引用
@article{arxiv.2111.09825,
title = {A correlation between energy gap, critical current density and relaxation of a superconductor},
author = {Harald Reiss},
journal= {arXiv preprint arXiv:2111.09825},
year = {2021}
}
备注
This paper was originally submitted, by September 2021, to one of the World's leading Journals. We could not find referees willing to review the subject. All Figures in the Appendix are provided solely for convenience of the readers to relieve them from running through a series of 11 previous papers, all on more or less the same subject, all peer-reviewed and published in JOSC