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Zhang, GF; Zhu, HJ; Zhang, GF (reprint author), Beihang Univ, Sch Phys & Nucl Energy Engn, Dept Phys, Xueyuan Rd 37, Beijing 100191, Peoples R China.
Analytical Solution for the Anisotropic Rabi Model: Effects of Counter-Rotating Terms
Source PublicationSCIENTIFIC REPORTS
Language英语
AbstractThe anisotropic Rabi model, which was proposed recently, differs from the original Rabi model: the rotating and counter-rotating terms are governed by two different coupling constants. This feature allows us to vary the counter-rotating interaction independently and explore the effects of it on some quantum properties. In this paper, we eliminate the counter-rotating terms approximately and obtain the analytical energy spectrums and wavefunctions. These analytical results agree well with the numerical calculations in a wide range of the parameters including the ultrastrong coupling regime. In the weak counter-rotating coupling limit we find out that the counter-rotating terms can be considered as the shifts to the parameters of the Jaynes-Cummings model. This modification shows the validness of the rotating-wave approximation on the assumption of near-resonance and relatively weak coupling. Moreover, the analytical expressions of several physics quantities are also derived, and the results show the break-down of the U(1)-symmetry and the deviation from the Jaynes-Cummings model.
2015
Volume5Issue:0Pages:8756
Subject AreaScience & Technology - Other Topics
DOIhttp://dx.doi.org/10.1038/srep08756
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11174024] ; National Natural Science Foundation of China [11174024] ; National Natural Science Foundation of China [11174024] ; National Natural Science Foundation of China [11174024] ; State Key Laboratory of Low-Dimensional Quantum Physics (Tsinghua University) [KF201407] ; State Key Laboratory of Low-Dimensional Quantum Physics (Tsinghua University) [KF201407] ; State Key Laboratory of Low-Dimensional Quantum Physics (Tsinghua University) [KF201407] ; State Key Laboratory of Low-Dimensional Quantum Physics (Tsinghua University) [KF201407] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF201CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF201CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF201CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF201CJ1] ; Beijing Higher Education Young Elite Teacher Project [YETP 1141] ; Beijing Higher Education Young Elite Teacher Project [YETP 1141] ; Beijing Higher Education Young Elite Teacher Project [YETP 1141] ; Beijing Higher Education Young Elite Teacher Project [YETP 1141]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21070
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorZhang, GF (reprint author), Beihang Univ, Sch Phys & Nucl Energy Engn, Dept Phys, Xueyuan Rd 37, Beijing 100191, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, GF,Zhu, HJ,Zhang, GF . Analytical Solution for the Anisotropic Rabi Model: Effects of Counter-Rotating Terms[J]. SCIENTIFIC REPORTS,2015,5(0):8756.
APA Zhang, GF,Zhu, HJ,&Zhang, GF .(2015).Analytical Solution for the Anisotropic Rabi Model: Effects of Counter-Rotating Terms.SCIENTIFIC REPORTS,5(0),8756.
MLA Zhang, GF,et al."Analytical Solution for the Anisotropic Rabi Model: Effects of Counter-Rotating Terms".SCIENTIFIC REPORTS 5.0(2015):8756.
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