中文

受挫多体系统中的动力学序与超导性

强关联电子 2020-09-16 v3 数学物理 math.MP

摘要

在三角晶格结构中,空间各向异性和阻挫可导致丰富的平衡相图,其中包含复杂、高度纠缠的物质态区域。在这项工作中,我们研究了受驱动的两条腿三角 Hubbard 模型,并将这些态演化到非平衡态,观察到驱动与初态之间的相互作用如何意外地关闭了粒子-空穴激发路径。这一限制(对称性论证无法预测)决定了系统的瞬态动力学,使得可用的粒子-空穴自由度呈现出均匀的长程序。我们讨论了我们的结果对最近关于 κ(BEDTTTF)2Cu[N(CN)2]Br{\rm \kappa - (BEDT-TTF)_{2}Cu[N(CN)_{2}]Br} 分子中光致超导性的实验的启示。

关键词

引用

@article{arxiv.2005.09072,
  title  = {Symmetry protected topological phases beyond groups: The q-deformed Affleck-Kennedy-Lieb-Tasaki model},
  author = {Thomas Quella},
  journal= {arXiv preprint arXiv:2005.09072},
  year   = {2020}
}

备注

8 pages, v2: Added some discussion on qAKLT states based on higher auxiliary spins and their entanglement properties, v3: Changed title to conform to journal guidelines, moved one section from the appendix to the main text and added more comments and references concerning twisted boundary conditions. Version as submitted to and accepted in Phys Rev B as a Rapid Communication (Editors' Suggestion)