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Locally controlled arrested thermalization
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DOI：10.1103/PhysRevB.109.L180301.png)
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Abstract
En 中文
The long-time dynamics of quantum systems, typically, but not always, results in a thermal steady state. The microscopic processes that lead to or circumvent this fate are of interest, since everyday experience tells us that not all spatial regions of a system heat up or cool down uniformly. This motivates the question: Under what conditions can one slow down or completely arrest thermalization locally? Is it possible to construct realistic Hamiltonians and initial states such that a local region is effectively insulated from the rest, or acts as a barrier between two or more regions? We answer this in the affirmative by outlining the conditions that govern the flow of energy and entropy between subsystems. Using these ideas we provide a representative example for how simple quantum few-body states can be used to engineer a thermal switch between interacting regions.
Keywords:
QUANTUM THERMODYNAMICS
DYNAMICS
Journal
IF:
3.7
Papers:
15.4W
Citations:
41.0W
