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题名: Frequency-renormalized multipolaron expansion for the quantum Rabi model
作者: Cong, L; Sun, XM; Liu, MX; Ying, ZJ; Luo, HG
收录类别: SCIE
出版日期: 2017-06-01
刊名: PHYSICAL REVIEW A
卷号: 95, 期号:6
出版者: AMER PHYSICAL SOC
出版地: COLLEGE PK
英文摘要: We present a frequency-renormalized multipolaron expansion method to explore the ground state of the quantum Rabi model (QRM). The main idea is to take polaron as starting point to expand the ground state of QRM. The polarons are deformed and displaced oscillator states with variationally determined frequency-renormalization and displacement parameters. This method is an extension of the previously proposed polaron concept and the coherent state expansion used in the literature, which shows high efficiency in describing the physics of the QRM. The proposed method is expected to be useful for solving other more complicated light-matter interaction models.
作者部门: [Cong, Lei ; Sun, Xi-Mei ; Luo, Hong-Gang] Lanzhou Univ, Ctr Interdisciplinary Studies, Lanzhou 730000, Peoples R China ; [Cong, Lei ; Sun, Xi-Mei ; Luo, Hong-Gang] Lanzhou Univ, Key Lab Magnetism & Magnet Mat MoE, Lanzhou 730000, Peoples R China ; [Liu, Maoxin ; Ying, Zu-Jian ; Luo, Hong-Gang] Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China ; [Ying, Zu-Jian] CNR SPIN, I-84084 Salerno, Italy ; [Ying, Zu-Jian] Univ Salerno, Dipartimento Fis ER Caianiello, I-84084 Salerno, Italy
通讯作者: Luo, HG (reprint author), Lanzhou Univ, Ctr Interdisciplinary Studies, Lanzhou 730000, Peoples R China. ; Luo, HG (reprint author), Lanzhou Univ, Key Lab Magnetism & Magnet Mat MoE, Lanzhou 730000, Peoples R China. ; Ying, ZJ ; Luo, HG (reprint author), Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China. ; Ying, ZJ (reprint author), CNR SPIN, I-84084 Salerno, Italy. ; Ying, ZJ (reprint author), Univ Salerno, Dipartimento Fis ER Caianiello, I-84084 Salerno, Italy.
学科分类: Optics; Physics
文章类型: Article
所属项目编号: NSFC [11325417, 11674139] ; PCSIRT [IRT-16R35] ; Future and Emerging Technologies (FET) programme within Seventh Framework Programme for Research of the European Commission, under FET-Open Grant (CNTQC) [618083 (CNTQC)]
所属项目名称: 国家自然科学基金项目 ; 国家杰出青年科学基金项目 ; 长江学者和创新团队发展计划
项目资助者: NSFC ; MOE
语种: 英语
DOI: 10.1103/PhysRevA.95.063803
ISSN号: 2469-9926
WOS记录号: WOS:000404407800007
IR记录号: WOS:000404407800007
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/190297
Appears in Collections:物理科学与技术学院_期刊论文

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作者单位: 17PHYS

Recommended Citation:
Cong, L,Sun, XM,Liu, MX,et al. Frequency-renormalized multipolaron expansion for the quantum Rabi model[J]. PHYSICAL REVIEW A,2017,95(6).
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