On Dicke-type hamiltonians with hidden variables

The main theoren about the exactness of the generalized version of the Bogoliubov (Jr.) thermodynamically-equivalent Hamiltonian method for Dicke-type models which include some hidden variables, is proved. Some generalizations are done of earlier investigations according to a Dicke-type model with s...

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Bibliographic Details
Published in:Physica A 1978-01, Vol.92 (3), p.599-615
Main Authors: Klemm, A., Zagrebnov, V.A.
Format: Article
Language:English
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Summary:The main theoren about the exactness of the generalized version of the Bogoliubov (Jr.) thermodynamically-equivalent Hamiltonian method for Dicke-type models which include some hidden variables, is proved. Some generalizations are done of earlier investigations according to a Dicke-type model with spatial variation of electromagnetic field and classical Debye vibrations of atoms around their equilibrium positions. They refer to the range of electromagnetic field phase φ and to the violation of the one-mode approximation for vibrations.
ISSN:0378-4371
1873-2119
DOI:10.1016/0378-4371(78)90154-1