腔中多体自组织的数值精确处理
量子气体
2020-09-02 v3 量子物理
摘要
我们研究链上超冷相互作用玻色原子并与光学腔耦合的完整量子演化。通过扩展含时矩阵乘积态技术与多体绝热消除技术以捕捉对腔模的全局耦合及腔的开放性质,我们在腔场平均场消除之外考察系统的长时间行为。我们针对广泛参数范围研究多体稳态与自组织相变。我们表明,在自组织相中稳态由平均场预测的密度波态与带有额外缺陷的激发态混合构成。特别地,对于大耗散强度,获得具有完全混合原子扇区的稳态,其与预测的平均场态有本质不同。
引用
@article{arxiv.1909.07335,
title = {Numerically exact treatment of many body self-organization in a cavity},
author = {Catalin-Mihai Halati and Ameneh Sheikhan and Helmut Ritsch and Corinna Kollath},
journal= {arXiv preprint arXiv:1909.07335},
year = {2020}
}
备注
This new version of the article focuses on the physical aspects of the dynamics of atoms coupled to a cavity mode. The methods developed to perform this analysis are detailed in arXiv:2004.11807