Self-oscillating open quantum systems

Evolution of occupation number is studied for a bosonic oscillator (with one and two degrees of freedom) linearly fully coupled to fermionic and bosonic heat baths. The lack of equilibrium in this oscillator is discussed in the light of the creation of an energy source. The connection of such a syst...

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Bibliographic Details
Published in:Physica A 2024-11, Vol.654, p.130139, Article 130139
Main Authors: Sargsyan, V.V., Hovhannisyan, A.A., Adamian, G.G., Antonenko, N.V.
Format: Article
Language:English
Subjects:
Energy source
Master-equation
Non-stationary systems
Self-oscillating systems
Time-dependent bosonic occupation numbers
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Summary:Evolution of occupation number is studied for a bosonic oscillator (with one and two degrees of freedom) linearly fully coupled to fermionic and bosonic heat baths. The lack of equilibrium in this oscillator is discussed in the light of the creation of an energy source. The connection of such a system with known nonlinear self-oscillating systems is shown.
ISSN:0378-4371
DOI:10.1016/j.physa.2024.130139