ITP OpenIR  > SCI期刊论文
Shi, T; Wu, YH; Gonzalez-Tudela, A; Cirac, JI
Effective many-body Hamiltonians of qubit-photon bound states
Source PublicationNEW JOURNAL OF PHYSICS
Language英语
KeywordATOM-ATOM INTERACTIONS COLD ATOMS RADIATION SYSTEM
AbstractQuantum emitters (QEs) coupled to structured baths can localize multiple photons around them and form qubit-photon bound states. In the Markovian or weak coupling regime, the interaction of QEs through these single-photon bound states is known to lead to effective many-body QE Hamiltonians with tuneable but yet perturbative interactions. In this work we study the emergence of such models in the non-Markovian or strong coupling regime in different excitation subspaces. The effective models for the non-Markovian regime with up to three excitations are characterized using analytical methods, uncovering the existence of doublons or triplon states. Furthermore, we provide numerical results for systems with multiple excitations and demonstrate the emergence of polariton models with optically tuneable interactions, whose many-body ground state exhibits a superfluid-Mott insulator transition.
2018
ISSN1367-2630
Volume20Pages:105005
Subject AreaPhysics
MOST Discipline CataloguePhysics, Multidisciplinary
DOI10.1088/1367-2630/aae4a9
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23538
CollectionSCI期刊论文
Affiliation1.[Shi, T.] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
2.[Shi, T.
3.Wu, Y-H
4.Gonzalez-Tudela, A.
5.Max Planck Inst Quantum Opt, Hans Kopfermann Str 1, D-85748 Garching, Germany
6.Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Hubei, Peoples R China
7.[Gonzalez-Tudela, A.] CSIC, IFF, Calle Serrano 113b, E-28006 Madrid, Spain
Recommended Citation
GB/T 7714
Shi, T,Wu, YH,Gonzalez-Tudela, A,et al. Effective many-body Hamiltonians of qubit-photon bound states[J]. NEW JOURNAL OF PHYSICS,2018,20:105005.
APA Shi, T,Wu, YH,Gonzalez-Tudela, A,&Cirac, JI.(2018).Effective many-body Hamiltonians of qubit-photon bound states.NEW JOURNAL OF PHYSICS,20,105005.
MLA Shi, T,et al."Effective many-body Hamiltonians of qubit-photon bound states".NEW JOURNAL OF PHYSICS 20(2018):105005.
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