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Nonequilibrium potential and fluctuation theorems for quantum maps.
TLDR
A general fluctuation theorem for quantum maps is derived that reproduces well-known fluctuation theorems in a single and simplified framework and extends the Hatano-Sasa theorem to quantum nonequilibrium processes.
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Quantum Fluctuation Theorems for Arbitrary Environments: Adiabatic and Nonadiabatic Entropy Production
We analyze the production of entropy along nonequilibrium processes in quantum systems coupled to generic environments. First, we show that the entropy production due to final measurements and the…
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Entropy production and thermodynamic power of the squeezed thermal reservoir.
TLDR
By introducing a modified quantum Otto cycle, this work fully characterizes operational regimes forbidden in the standard case, such as refrigeration and work extraction at the same time, accompanied by efficiencies equal to unity.
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Quantum correlations and mutual synchronization
We acknowledge financial support from the MICINN (Spain) and FEDER (EU) through project FIS2007- 60327 (FISICOS), from CSIC through project CoQuSys (200450E566) and from the Govern Balear through…
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Synchronization along quantum trajectories
We employ a quantum trajectory approach to characterize synchronization and phase-locking between open quantum systems in nonequilibrium steady states. We exemplify our proposal for the paradigmatic…
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Quantum superposition of thermodynamic evolutions with opposing time’s arrows
Microscopic physical laws are time-symmetric, hence, a priori there exists no preferential temporal direction. However, the second law of thermodynamics allows one to associate the “forward” temporal…
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Time's Arrow of a Quantum Superposition of Thermodynamic Evolutions
A priori, there exists no preferential temporal direction as microscopic physical laws are time-symmetric. Still, the second law of thermodynamics allows one to associate the `forward' temporal…
Synchronization, quantum correlations and entanglement in oscillator networks
TLDR
This work shows that synchronization between (even unlinked) nodes witnesses the presence of quantum correlations and entanglement, and can be induced between two different oscillators if properly linked to a random network.
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Optimal Work Extraction and Thermodynamics of Quantum Measurements and Correlations.
TLDR
This work focuses on the work that can be obtained by exploiting the correlations shared between the system of interest and an additional ancilla, where measurement backaction introduces a nontrivial thermodynamic tradeoff.
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Performance of autonomous quantum thermal machines: Hilbert space dimension as a thermodynamical resource.
TLDR
A statement of the third law in terms of Hilbert space dimension is obtained: Reaching absolute zero temperature requires infinite dimension, demonstrating that Hilbert space Dimension should be considered a thermodynamic resource.
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