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Generalized rotating-wave approximation for arbitrarily large coupling

Generalized rotating-wave approximation for arbitrarily large coupling
Generalized rotating-wave approximation for arbitrarily large coupling
A generalized version of the rotating-wave approximation for the single-mode spin-boson Hamiltonian is presented. It is shown that performing a simple change of basis prior to eliminating the off-resonant terms results in a significantly more accurate expression for the energy levels of the system. The generalized approximation works for all values of the coupling strength and for a wide range of detuning values, and may find applications in solid-state experiments.
1079-7114
Twyeffort Irish, E.K.
b78b8d7c-c747-4437-bb6f-189186713998
Twyeffort Irish, E.K.
b78b8d7c-c747-4437-bb6f-189186713998

Twyeffort Irish, E.K. (2007) Generalized rotating-wave approximation for arbitrarily large coupling. Physical Review Letters, 99, [173601]. (doi:10.1103/PhysRevLett.99.173601).

Record type: Article

Abstract

A generalized version of the rotating-wave approximation for the single-mode spin-boson Hamiltonian is presented. It is shown that performing a simple change of basis prior to eliminating the off-resonant terms results in a significantly more accurate expression for the energy levels of the system. The generalized approximation works for all values of the coupling strength and for a wide range of detuning values, and may find applications in solid-state experiments.

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Published date: 22 October 2007
Additional Information: An Erratum to this research output can be found at: https://doi.org/10.1103/PhysRevLett.99.259901
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Local EPrints ID: 495198
URI: http://eprints.soton.ac.uk/id/eprint/495198
DOI: doi:10.1103/PhysRevLett.99.173601
ISSN: 1079-7114
PURE UUID: f5b07992-903a-406d-a723-ba2e5318bb17
ORCID for E.K. Twyeffort Irish: ORCID iD orcid.org/0000-0003-0113-0977

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Date deposited: 31 Oct 2024 17:43
Last modified: 01 Nov 2024 02:46

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Author: E.K. Twyeffort Irish ORCID iD

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