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Peng, J; Ren, ZZ; Braak, D; Guo, GJ; Ju, GX; Zhang, X; Guo, XY; Peng, J (reprint author), Nanjing Univ, Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China.
Solution of the two-qubit quantum Rabi model and its exceptional eigenstates
Source PublicationJOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
Language英语
KeywordCavity Entanglement Generation Qubits States
AbstractWe have studied the two-qubit quantum Rabi model in the asymmetric case and its generalizations with dipole and Heisenberg-type qubit-qubit interactions. The solutions are obtained analytically with eigenstates given in terms of the extended coherent states or photon number states. For identical qubit-photon couplings, a novel type of quasi-exact solution which exists for all coupling values with constant eigenenergy is found, leading to level crossings within the same parity subspace even for non-identical qubits. In contrast to the quasi-exact eigenstates of the single-qubit model, these exceptional eigenstates are formed by just a few Fock states (photon number bounded from above at one or three), and the condition for them depends only on a fine-tuning of the qubit level splittings with respect to the photon energy, but not on the coupling to the photon field if the qubit-qubit interaction is not taken into consideration. This makes them excellent candidates for direct experimental observation within circuit quantum electrodynamics (QED) and application in single photon experiments. Besides, exceptional solutions with finite photon numbers N are also found.
2014
ISSN1751-8113
Volume47Issue:26Pages:265303
Subject AreaPhysics
DOI10.1088/1751-8113/47/26/265303
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11035001, 10735010, 10975072, 11375086, 11120101005, 11347112]; 973 National Major State Basic Research and Development of China [2010CB327803, 2013CB834400]; CAS Knowledge Innovation project [KJCX2-SW-N02]; Research Fund of Doctoral Point (RFDP) [20100091110028]; Research and Innovation Project for College Postgraduate of JiangSu Province [CXLX13-025, CXZZ13-0032]; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD); Deutsche Forschungsgemeinschaft [TRR80] ; National Natural Science Foundation of China [11035001, 10735010, 10975072, 11375086, 11120101005, 11347112]; 973 National Major State Basic Research and Development of China [2010CB327803, 2013CB834400]; CAS Knowledge Innovation project [KJCX2-SW-N02]; Research Fund of Doctoral Point (RFDP) [20100091110028]; Research and Innovation Project for College Postgraduate of JiangSu Province [CXLX13-025, CXZZ13-0032]; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD); Deutsche Forschungsgemeinschaft [TRR80] ; National Natural Science Foundation of China [11035001, 10735010, 10975072, 11375086, 11120101005, 11347112]; 973 National Major State Basic Research and Development of China [2010CB327803, 2013CB834400]; CAS Knowledge Innovation project [KJCX2-SW-N02]; Research Fund of Doctoral Point (RFDP) [20100091110028]; Research and Innovation Project for College Postgraduate of JiangSu Province [CXLX13-025, CXZZ13-0032]; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD); Deutsche Forschungsgemeinschaft [TRR80] ; National Natural Science Foundation of China [11035001, 10735010, 10975072, 11375086, 11120101005, 11347112]; 973 National Major State Basic Research and Development of China [2010CB327803, 2013CB834400]; CAS Knowledge Innovation project [KJCX2-SW-N02]; Research Fund of Doctoral Point (RFDP) [20100091110028]; Research and Innovation Project for College Postgraduate of JiangSu Province [CXLX13-025, CXZZ13-0032]; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD); Deutsche Forschungsgemeinschaft [TRR80]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15713
Collection理论物理所科研产出_SCI论文
Corresponding AuthorPeng, J (reprint author), Nanjing Univ, Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Peng, J,Ren, ZZ,Braak, D,et al. Solution of the two-qubit quantum Rabi model and its exceptional eigenstates[J]. JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL,2014,47(26):265303.
APA Peng, J.,Ren, ZZ.,Braak, D.,Guo, GJ.,Ju, GX.,...&Peng, J .(2014).Solution of the two-qubit quantum Rabi model and its exceptional eigenstates.JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL,47(26),265303.
MLA Peng, J,et al."Solution of the two-qubit quantum Rabi model and its exceptional eigenstates".JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL 47.26(2014):265303.
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