Results 111 to 120 of about 1,985,486 (239)

Macroscopic Thermodynamical Witnesses of Quantum Entanglement [PDF]

open access: yesarXiv, 2004
We show that macroscopic thermodynamical properties - such as functions of internal energy and magnetization - can detect quantum entanglement in solids at nonzero temperatures in the thermodynamical limit. We identify the parameter regions (critical values of magnetic field and temperature) within which entanglement is witnessed by these ...
arxiv  

Taming catalysts in quantum thermodynamics

open access: yesNew Journal of Physics, 2015
Auxiliary quantum systems which can be borrowed to help facilitate thermodynamic processes but must be returned almost undisturbed—i.e. catalysts—are very powerful objects in quantum thermodynamics.
Paul Skrzypczyk
doaj   +1 more source

Thermodynamics of quantum coherence [PDF]

open access: yesarXiv, 2013
Quantum decoherence is seen as an undesired source of irreversibility that destroys quantum resources. Quantum coherences seem to be a property that vanishes at thermodynamic equilibrium. Away from equilibrium, quantum coherences challenge the classical notions of a thermodynamic bath in a Carnot engines, affect the efficiency of quantum transport ...
arxiv  

Thermodynamically Consistent Lindbladians for Quantum Stochastic Thermodynamics [PDF]

open access: yesarXiv
We develop a Lindblad framework for quantum stochastic thermodynamics to study the nonequilibrium thermodynamics of open quantum systems. Our approach adopts the local quantum detailed balance condition, ensuring thermodynamic consistency and leading to a joint fluctuation theorem of quantum work and heat.
arxiv  

Finite-Time Processes In Quantum Thermodynamics: The Limits Of Irreversibility [PDF]

open access: yes
The emergence of irreversibility in physical processes, despite the fundamentally reversible nature of quantum mechanics, remains an open question in physics. This thesis explores the intricate relationship between quantum mechanics and thermodynamics, with a particular focus on minimizing entropy production in finite-time processes. By employing tools
arxiv   +1 more source

Information vs Thermodynamic Entropy [PDF]

open access: yesarXiv
The Shannon information is shown to be different to the thermodynamic entropy, and indifferent to the Second Law of Thermodynamics.
arxiv  

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