Non-Markovian dynamics of mixed fermionic–bosonic systems: Full coupling

V.V. Sargsyan, A.A. Hovhannisyan, G.G. Adamian, N.V. Antonenko and D. Lacroix

Physica A: Statistical Mechanics and its Applications, 2018, vol. 505, issue C, 666-679

Abstract: Employing the quadratic fermionic and bosonic Hamiltonians for the collective and internal subsystems with a linear full coupling, we studied the role of heat-bath statistics on the dynamics of the collective motion. The master-equations for the collective occupation number derived directly within Non-Markovian Langevin approach are discussed and their solutions are obtained. As shown in the numerical calculations, the path to equilibrium or the relaxation time is affected by the heat-bath statistics and to the coupling type.

Keywords: Fermionic and bosonic oscillators; Non-Markovian Langevin approach; Master-equation; Time-dependent occupation number; Level populations; Decay of excited state (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:505:y:2018:i:c:p:666-679

DOI: 10.1016/j.physa.2018.04.008

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