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Open Quantum Systems Decoherence
Quantum Thermodynamics
Channels, measurements and post-selection in quantum thermodynamics
arXiv
Authors: Tom Purves, Tony Short
Year
2020
Paper ID
21320
Status
Preprint
Abstract Read
~2 min
Abstract Words
68
Citations
N/A
Abstract
We analyse the benefit, in terms of extracting work, of having a single use of a quantum channel or measurement in quantum thermodynamics. This highlights a connection between unital and catalytic channels, and some subtleties concerning the conditional work cost of implementing a measurement given that a certain result was obtained. We also consider post-selected measurements, and show that any non-trivial post-selection leads to an unbounded work benefit.
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- This paper contributes to the Quantum Thermodynamics research area in the Quantum Articles archive.
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- We analyse the benefit, in terms of extracting work, of having a single use of a quantum channel or measurement in quantum thermodynamics.
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