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The spin-s homogeneous central spin model: exact spectrum and dynamics

文献类型：期刊论文

作者Guan, Xi-Wen1,2,3; Nepomechie, Rafael, I4
刊名JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT
出版日期2018-10-01
页码19
关键词integrable spin chains and vertex models quantum dots quantum integrability (Bethe ansatz)
ISSN号1742-5468
DOI10.1088/1742-5468/aae2d9
英文摘要We consider the problem of a central spin with arbitrary spin s that interacts pairwise and uniformly with a bath of N spins with s = 1/2. We present two approaches for determining the exact spectrum of this model, one based on properties of SU(2), and the other based on integrability. We also analyze the exact time evolution of a spin coherent state, and compute the time evolution of various quantities of physical interest, including the entanglement entropy, spin polarization and Loschmidt echo.
WOS关键词QUANTUM ; STATES
资助项目Chinese Academy of Sciences President's International Fellowship Initiative[2018VMA0017] ; NNSFC[11534014] ; MOST[2017YFA0304500]
WOS研究方向Mechanics ; Physics
语种英语
WOS记录号WOS:000448501500001
出版者IOP PUBLISHING LTD
资助机构Chinese Academy of Sciences President's International Fellowship Initiative ; NNSFC ; MOST ; Chinese Academy of Sciences President's International Fellowship Initiative ; NNSFC ; MOST ; Chinese Academy of Sciences President's International Fellowship Initiative ; NNSFC ; MOST ; Chinese Academy of Sciences President's International Fellowship Initiative ; NNSFC ; MOST
源URL[http://ir.wipm.ac.cn/handle/112942/13144]  
专题中国科学院武汉物理与数学研究所
通讯作者Nepomechie, Rafael, I
作者单位1.Australian Natl Univ, Res Sch Phys & Engn, Dept Theoret Phys, Canberra, ACT 0200, Australia
2.Chinese Acad Sci, Ctr Cold Atom Phys, Wuhan 430071, Hubei, Peoples R China
3.Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Hubei, Peoples R China
4.Univ Miami, Phys Dept, POB 248046, Coral Gables, FL 33124 USA
推荐引用方式
GB/T 7714		 Guan, Xi-Wen,Nepomechie, Rafael, I. The spin-s homogeneous central spin model: exact spectrum and dynamics[J]. JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT,2018:19.
APA Guan, Xi-Wen,&Nepomechie, Rafael, I.(2018).The spin-s homogeneous central spin model: exact spectrum and dynamics.JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT,19.
MLA Guan, Xi-Wen,et al."The spin-s homogeneous central spin model: exact spectrum and dynamics".JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT (2018):19.

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来源：武汉物理与数学研究所

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