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   Articles with "classicality" as a keyword



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Experimental identification of non-classicality of noisy twin beams and other related two-mode states

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recommendations! Published in 2018 at "Scientific Reports"

DOI: 10.1038/s41598-018-19634-1

Abstract: Different non-classicality criteria expressed in the form of inequalities among intensity moments and elements of photon-number distributions are applied to noisy twin beams and other two-mode states obtained from a twin beam by using a… read more here.

Keywords: two mode; noisy twin; twin beams; classicality ... See more keywords
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Slope classicality in higher Coleman theory via highest weight vectors in completed cohomology

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recommendations! Published in 2022 at "Proceedings of the National Academy of Sciences of the United States of America"

DOI: 10.1073/pnas.2208249119

Abstract: We give a proof of the slope classicality theorem in classical and higher Coleman theory for modular curves of arbitrary level using the completed cohomology classes attached to overconvergent modular forms. The latter give an… read more here.

Keywords: coleman theory; slope classicality; classicality; completed cohomology ... See more keywords
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Decoherence and Transition to Classicality for Time-Dependent Stochastic Quantum Systems with a General Environment

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recommendations! Published in 2023 at "Axioms"

DOI: 10.3390/axioms12040368

Abstract: The emergence of classicality from a stochastic quantum system through decoherence is investigated. We consider the case where the parameters, such as mass, frequency, and the damping coefficient, vary with time. The invariant operator theory… read more here.

Keywords: system; time; quantum; decoherence ... See more keywords
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Quantum Central Limit Theorems, Emergence of Classicality and Time-Dependent Differential Entropy

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recommendations! Published in 2022 at "Entropy"

DOI: 10.3390/e25040600

Abstract: We derive some quantum central limit theorems for the expectation values of macroscopically coarse-grained observables, which are functions of coarse-grained Hermitian operators consisting of non-commuting variables. Thanks to the Hermiticity constraints, we obtain positive-definite distributions… read more here.

Keywords: time; limit theorems; central limit; classicality ... See more keywords