Necessity of feedback control for the quantum Maxwell demon in a finite-time steady feedback cycle.
basic_science · Level V
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- Record sourced from PubMed, PMID 36109897.
- Also identified by DOI 10.1103/PhysRevE.106.024134.
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Abstract
We revisit quantum Maxwell demon in thermodynamic feedback cycle in the steady-state regime. We derive a generalized version of the Clausius inequality for a finite-time steady feedback cycle with a single heat bath. It is shown to be tighter than previously known ones, and allows us to clarify that feedback control is necessary to violate the standard Clausius inequality.