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Second order approximation for an optical polaron in the strong coupling case

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  • Bogolubov, N.N.

Abstract

Here we propose a method of construction of the second order approximation for the ground state energy for a class of model Hamiltonians with a linear type of interaction with respect to Bose operators in the strong coupling case. For an application of the above-mentioned method we have considered the polaron model and proposed a set of nonlinear differential equations for the ground state energy calculation in the strong coupling case. We have considered also the radially symmetric case.

Suggested Citation

  • Bogolubov, N.N., 1996. "Second order approximation for an optical polaron in the strong coupling case," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 223(3), pages 418-434.
    • Handle: RePEc:eee:phsmap:v:223:y:1996:i:3:p:418-434
    DOI: 10.1016/0378-4371(95)00178-6
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    References listed on IDEAS

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    1. Bogolubov, N.N. & Le Kien, Fam & Shumovsky, A.S., 1984. "On the kinetics of Dicke-type systems," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 128(1), pages 82-98.
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