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Fluctuation theorems in driven open quantum systems
Peter Talkner, Michele Campisi, Peter Hänggi
The characteristic function for the joint measurement of the changes of two commuting observables upon an external forcing of a quantum system is derived. In particular, the statis…
Complementary expressions for the entropy-from-work theorem
Michele Campisi
We establish an expression of the entropy-from-work theorem that is complementary to the one originally proposed in [P. Talkner, P. Hanggi and M. Morillo, arXiv:0707.2307]. In the…
Reply to "Comment on "On a new definition of quantum entropy""
Michele Campisi
The example provided in the comment [arXiv:0803.2241] concerns a situation where the system is initially at negative temperature. It is known that in such cases the Law of Entropy…
On a new definition of quantum entropy
Michele Campisi
It is proved here that, as a consequence of the unitary quantum evolution, the expectation value of a properly defined quantum entropy operator (as opposed to the non-evolving von…