存在长程耦合下具竞争相互作用的伊辛链
统计力学
2019-09-04 v1
摘要
本文中，我们在正则系综下研究具有短程竞争相互作用并存在长程铁磁相互作用的伊辛自旋链。短程耦合引起的阻挫与其和长程项的竞争同时出现，产生了丰富的热力学相图。我们将结果与文献中先前研究的两种局域相互作用之一被关闭的极限情形进行比较。呈现出八个具有定性不同性质的参数区域，带有不同的一级与二级相变线和临界点。
引用
@article{arxiv.1906.09668,
title = {Ising chains with competing interactions in presence of long-range couplings},
author = {Alessandro Campa and Giacomo Gori and Vahan Hovhannisyan and Stefano Ruffo and Andrea Trombettoni},
journal= {arXiv preprint arXiv:1906.09668},
year = {2019}
}
备注
To be published in the J. Phys. A Special Issue "Disordered serendipity: a glassy path to discovery" to honour Giorgio Parisi in occasion of his 70th birthday