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Open Quantum Systems Decoherence
A short note on passivity, complete passivity and virtual temperatures
arXiv
Authors: Paul Skrzypczyk, Ralph Silva, Nicolas Brunner
Year
2014
Paper ID
45859
Status
Preprint
Abstract Read
~2 min
Abstract Words
90
Citations
N/A
Abstract
We give a simple and intuitive proof that the only states which are completely passive, i.e. those states from which work cannot be extracted even with infinitely many copies, are Gibbs states at positive temperatures. The proof makes use of the idea of virtual temperatures, i.e. the association of temperatures to pairs of energy levels (transitions). We show that (i) passive states are those where every transition is at a positive temperature, and (ii) completely passive states are those where every transition is at the same positive temperature.
Why This Paper Matters
- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
- It adds a 2014 reference point for readers tracking recent quantum research.
- We give a simple and intuitive proof that the only states which are completely passive, i.e.
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