无限排斥哈伯德模型中的量子淬火:稳态
统计力学
2017-11-03 v2
摘要
我们使用淬火作用(Quench Action)方法研究无限相互作用极限下哈伯德模型量子淬火后的非平衡动力学。我们确定了一系列低纠缠初态,对于这些初态我们可以直接计算其与哈密顿量本征态的重叠。对于这些初态,我们解析地找到了表征所有局域可观测量期望值的稳态的快度分布。所考虑的一些初态不具有反射对称性,并导致非对称的快度分布。为了研究此类情况,我们必须引入一种广义的约化熵形式,用于度量限制在具有非零重叠的态上的熵。所考虑的初态具有直接的实验可实现性,并且也代表了研究有限相互作用下哈伯德模型非平衡动力学的理想候选者。
引用
@article{arxiv.1707.01073,
title = {Quantum Quench in the Infinitely Repulsive Hubbard Model: the Stationary State},
author = {Bruno Bertini and Elena Tartaglia and Pasquale Calabrese},
journal= {arXiv preprint arXiv:1707.01073},
year = {2017}
}
备注
23 pages, 2 figures. This is an author-created, un-copyedited version of an article published in Journal of Statistical Mechanics: Theory and Experiment. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.1088/1742-5468/aa8c2c