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Quantum correlations and ergotropy
Physical Review E, 2022 Understanding the role of classical and quantum correlations in work extraction is a problem of fundamental importance in thermodynamics. We approach this problem by considering that, in closed quantum systems, the maximum cyclic work extractable is equal to the ergotropy.
Gianluca Francica
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Quantum Information Processing, 2014
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Chuanmei Xie +4 more
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Chuanmei Xie +4 more
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Quantum and Classical Correlations in Quantum Measurement
Foundations of Physics, 2012zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Xi, Zhengjun, Li, Yongming
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Correlations, Contextuality and Quantum Logic
Journal of Philosophical Logic, 2013The authors study states and mixtures of states on simple examples of quantum structures. Particular attention is paid to signaling and deterministic states. Inequalities which distinguish the classical, quantum, and super-quantum approaches are analyzed.
Allen Stairs, Jeffrey Bub
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Quantum metrology and quantum correlations
2021Given a physical system to define a suitable measurement process on it constitutes one of the most crucial and challenging issues in physics. According to the particular theory under consideration, taking measurements has more or fewer subtleties but one ubiquitous concept for every physical theory is the uncertainty.
Bussandri, Diego, Lamberti, Pedro Walter
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Quantum amplification with correlated quantum fields
Physical Review A, 1993Quantum fluctuations of a phase-insensitive amplifier are studied when the quantum fluctuations of the input field are correlated with the amplifier's internal modes. It is found that noise-free quantum amplification can be achieved under certain conditions and only requires finite correlation between the quantum fluctuations of the input field and the
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Physics Reports
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Zinuo Cai +4 more
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Zinuo Cai +4 more
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Dynamics of Super Quantum Correlations and Quantum Correlations for a System of Three Qubits
Communications in Theoretical Physics, 2016Summary: The dynamics of quantum discord for two qubits independently interacting with dephasing reservoirs have been studied recently: \textit{J. P. G. Pinto} et al. [``Sudden change of quantum discord for a system of two qubits'', Phys. Rev. A 88, Article ID 034304 (2013)] found that for some Bell-diagonal states (BDS) which interact with their ...
Siyouri, F. +3 more
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2019
As we step into the era of quantum technologies, determining whether the correlations between physical systems are quantum or classical plays a fundamental role in our understanding of the physical world and our ability to use such correlations for novel applications.
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As we step into the era of quantum technologies, determining whether the correlations between physical systems are quantum or classical plays a fundamental role in our understanding of the physical world and our ability to use such correlations for novel applications.
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Experimental Investigation of Quantum Correlations in a Two-Qutrit Spin System
Physical Review Letters, 2022Xiangyu Ye +2 more
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