Polaritonic characteristics of insulator and superfluid states in a coupled-cavity array
Polaritonic characteristics of insulator and superfluid states in a coupled-cavity array
Recent studies of quantum phase transitions in coupled atom-cavity arrays have focused on the similarities between such systems and the Bose-Hubbard model. However, the bipartite nature of the atom-cavity systems that make up the array introduces some differences. In order to examine the unique features of the coupled-cavity system, the behavior of a simple two-site model is studied over a wide range of parameters. Four regions are identified, in which the ground state of the system may be classified as a polaritonic insulator, a photonic superfluid, an atomic insulator, or a polaritonic superfluid.
Twyeffort Irish, E.K.
b78b8d7c-c747-4437-bb6f-189186713998
Ogden, C.D.
8c9033ce-041e-409c-8a24-c1222e57e37d
Kim, M.S.
709852ac-3c55-49d5-8eb7-3284241e1c63
3 March 2008
Twyeffort Irish, E.K.
b78b8d7c-c747-4437-bb6f-189186713998
Ogden, C.D.
8c9033ce-041e-409c-8a24-c1222e57e37d
Kim, M.S.
709852ac-3c55-49d5-8eb7-3284241e1c63
Twyeffort Irish, E.K., Ogden, C.D. and Kim, M.S.
(2008)
Polaritonic characteristics of insulator and superfluid states in a coupled-cavity array.
Physical Review A - Atomic, Molecular, and Optical Physics, [033801].
(doi:10.1103/PhysRevA.77.033801).
Abstract
Recent studies of quantum phase transitions in coupled atom-cavity arrays have focused on the similarities between such systems and the Bose-Hubbard model. However, the bipartite nature of the atom-cavity systems that make up the array introduces some differences. In order to examine the unique features of the coupled-cavity system, the behavior of a simple two-site model is studied over a wide range of parameters. Four regions are identified, in which the ground state of the system may be classified as a polaritonic insulator, a photonic superfluid, an atomic insulator, or a polaritonic superfluid.
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Published date: 3 March 2008
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Local EPrints ID: 495202
URI: http://eprints.soton.ac.uk/id/eprint/495202
ISSN: 1050-2947
PURE UUID: 9ace9378-b085-4971-8750-23405d3e9115
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Date deposited: 31 Oct 2024 17:48
Last modified: 01 Nov 2024 02:46
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Author:
C.D. Ogden
Author:
M.S. Kim
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