Violations of the second law of thermodynamics by a non-completely positive dynamics

Violations of the second law of thermodynamics by a non-completely positive dynamics

We consider a recently proposed model of driven open quantum micro-circuit (Pellegrini F., Phys. Rev. Lett., 107 (2011) 060401) amenable to experimental investigations. We show that such an open quantum system provides a concrete physical instance where we can prove that modeling its time evolution...

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Veröffentlicht in:Europhysics letters 2014-09, Vol.107 (5), p.50007-p1-50007-p6
Hauptverfasser: Argentieri, G., Benatti, F., Floreanini, R., Pezzutto, M.
Format: Artikel
Sprache:eng
Schlagworte:
03.65.Yz
42.50.Lc
Concretes
Dynamical systems
Dynamics
Evolution
Law
Quantum theory
Thermodynamics
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Zusammenfassung:We consider a recently proposed model of driven open quantum micro-circuit (Pellegrini F., Phys. Rev. Lett., 107 (2011) 060401) amenable to experimental investigations. We show that such an open quantum system provides a concrete physical instance where we can prove that modeling its time evolution with a dynamics lacking complete positivity conflicts with the second law of thermodynamics.
ISSN:0295-5075
1286-4854
DOI:10.1209/0295-5075/107/50007