Hierarchical-environment-assisted non-Markovian and its effect on
thermodynamic properties
- URL: http://arxiv.org/abs/2010.13756v1
- Date: Mon, 26 Oct 2020 17:47:27 GMT
- Title: Hierarchical-environment-assisted non-Markovian and its effect on
thermodynamic properties
- Authors: Yong-Wei Li and Lei Li
- Abstract summary: We show how the non-Markovian character of the system is influenced by the coupling strength of system-auxiliary system and auxiliary system-reservoir.
And the information flow between the system and environment is always accompanied by energy exchange.
- Score: 15.450802027885135
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: We consider a microscopic collision model, i.e., a quantum system interacts
with a hierarchical environment consisting of an auxiliary system and a
reservoir. We show how the non-Markovian character of the system is influenced
by the coupling strength of system-auxiliary system and auxiliary
system-reservoir, initial system-environment correlations and the coherence of
environment. Then we study the relation between non-Markovianity and
thermodynamics properties, by studying the entropy change of system especially
that from heat exchanges with memory effects, and we reveal the essence of
entropy change between positive and negative values during non-Markovian
evolution is due to the contribution of heat flux determined by coherence. And
the information flow between the system and environment is always accompanied
by energy exchange.
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