贝里相位诱导的热泵浦及其对涨落定理的影响
介观与纳米尺度物理
2010-05-03 v3 统计力学
化学物理
摘要
通过应用绝热、循环的双参数调制，我们研究了与两个热浴接触的非简谐分子结上的量子热传递。我们证明，泵浦的热量通常表现出贝里相位效应，为热流提供了额外的几何贡献。值得注意的是，还识别出了稳健的分数量子化几何声子响应。这种几何相位贡献的存在反过来导致了量子热传递中 Gallavotti-Cohen 型涨落定理的失效。仅当 (i) 几何相位贡献消失且 (ii) 循环协议保持细致平衡对称性时，该定理才能恢复。
引用
@article{arxiv.1003.1611,
title = {Berry-Phase induced Heat Pumping and its Impact on the Fluctuation Theorem},
author = {Jie Ren and Peter Hänggi and Baowen Li},
journal= {arXiv preprint arXiv:1003.1611},
year = {2010}
}
备注
8 pages, 4 figures. Accepted by Physcial Review Letters. Supplementary file is included, which presents a detailed derivation of the geometric phase contribution in generating functions and provide a detailed explanation of the physical picture of the observed 1/4 fractional quantized phonon response.