分数量子霍尔系统的比热
介观与纳米尺度物理
2009-11-11 v3
摘要
利用时间分辨声子吸收技术，我们测量了分数量子霍尔效应区域中二维电子系统的比热。对于填充因子和，比热表现出强烈的指数温度依赖性，与跨越准粒子能隙的激发一致。在填充因子处，我们首次测量了复合费米子系统的比热。在低至 K的温度下观察到的线性温度依赖性，与早期对复合费米子费米液体的预测吻合良好。
引用
@article{arxiv.cond-mat/0607167,
title = {Specific Heat of a Fractional Quantum Hall System},
author = {F. Schulze-Wischeler and U. Zeitler and C. v. Zobeltitz and F. Hohls and D. Reuter and A. D. Wieck and H. Frahm and R. J. Haug},
journal= {arXiv preprint arXiv:cond-mat/0607167},
year = {2009}
}
备注
4 pages, 4 figures (version is 1. resubmission: Added a paragraph to include the problems which arise by the weak temperature dependence at \nu = 1/2, updated affiliation)