How should one define entropy production for nonequilibrium quantum spin systems?
David Ruelle
TL;DR
This paper explores the definition of entropy production in nonequilibrium quantum spin systems, addressing unresolved conceptual questions despite recent rigorous mathematical results.
Contribution
It provides a physical discussion clarifying fundamental issues in defining entropy production for infinite quantum spin systems.
Findings
Addresses unresolved conceptual questions
Clarifies the physical meaning of entropy production
Bridges rigorous results with physical intuition
Abstract
This paper discusses entropy production in nonequilibrium steady states for infinite quantum spin systems. Rigorous results have been obtained recently in this area, but a physical discussion shows that some questions of principle remain to be clarified.
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