Strong thermalization of the two-component Bose-Hubbard model at finite temperatures
文献类型：期刊论文
| 作者 | Zhang, JM ; Shen, C ; liu, WM |
| 刊名 | PHYSICAL REVIEW A
 |
| 出版日期 | 2012 |
| 卷号 | 85期号:1 |
| 关键词 | QUANTUM-SYSTEMS STATISTICAL-MECHANICS CHAOS |
| ISSN号 | 1050-2947 |
| 通讯作者 | Zhang, JM (reprint author), Chinese Acad Sci, Inst Phys, POB 603, Beijing 100080, Peoples R China. |
| 中文摘要 | We study thermalization of a two-component Bose-Hubbard model by exact diagonalization. Initially, the two components do not interact and are both at equilibrium but with different temperatures. As the onsite intercomponent interaction is turned on, perfect thermalization occurs. Remarkably, not merely those simple "realistic" physical observables thermalize but even the density matrix of the whole system-the time-averaged density matrix of the system can be well approximated by that of a canonical ensemble. We also discuss how symmetry of the quenched Hamiltonian affects the level spacing distribution and thermalization of the system. |
| 收录类别 | SCI |
| 资助信息 | NSFC [11091240226] |
| 语种 | 英语 |
| 公开日期 | 2013-09-24 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/53178]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Zhang, JM,Shen, C,liu, WM. Strong thermalization of the two-component Bose-Hubbard model at finite temperatures[J]. PHYSICAL REVIEW A,2012,85(1). |
| APA | Zhang, JM,Shen, C,&liu, WM.(2012).Strong thermalization of the two-component Bose-Hubbard model at finite temperatures.PHYSICAL REVIEW A,85(1). |
| MLA | Zhang, JM,et al."Strong thermalization of the two-component Bose-Hubbard model at finite temperatures".PHYSICAL REVIEW A 85.1(2012). |
入库方式： OAI收割
来源：物理研究所
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