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of 339
pro vyhledávání: '"Orszag, M"'
This article contains a survey of the geometric approach to quantum correlations. We focus mainly on the geometric measures of quantum correlations based on the Bures and quantum Hellinger distances.
Comment: to be published as a chapter of the
Comment: to be published as a chapter of the
Externí odkaz:
http://arxiv.org/abs/1611.03449
We study the generation of entanglement for interacting cold atoms in an optical lattice. The entanglement is generated by managing the interaction between two distinct atomic species. It is found that the current of one of the species can be used as
Externí odkaz:
http://arxiv.org/abs/1206.0310
Publikováno v:
Phys.Rev. A 84 023816 (2011)
We develop the quantum theory of an open-cavity laser assuming that only two modes compete for gain. We show that the modes interact to build up a collective mode that becomes the lasing mode when pumping exceeds a threshold. This collective mode exh
Externí odkaz:
http://arxiv.org/abs/1105.1820
Starting from the requirement of distinguishability of two atoms by their positions, it is shown that photon recoil has a strong influence on finite-time disentanglement and in some cases prevents its appearance. At near-field inter atomic distances
Externí odkaz:
http://arxiv.org/abs/0811.4399
In this work we show that is possible to obtain Total Quantum Zeno Effect in an unstable systems for times larger than the correlation time of the bath. The effect is observed for some particular systems in which one can chose appropriate observables
Externí odkaz:
http://arxiv.org/abs/0704.1605
Autor:
Mundarain, D., Orszag, M.
In this work we find explicitly the decoherence free subspace (DFS) for a two two-level system in a common squeezed vacuum bath. We also find an orthogonal basis for the DFS composed of a symmetrical and an antisymmetrical (under particle permutation
Externí odkaz:
http://arxiv.org/abs/quant-ph/0611090
In this work we show that by frequent measurements of adequately chosen observables, a complete suppression of the decay in an exponentially decaying two level system interacting with a squeezed bath is obtained. The observables for which the effect
Externí odkaz:
http://arxiv.org/abs/quant-ph/0610179
Publikováno v:
J. Optics B 1, 251-263 (1999)
We propose physical interpretations for stochastic methods which have been developed recently to describe the evolution of a quantum system interacting with a reservoir. As opposed to the usual reduced density operator approach, which refers to ensem
Externí odkaz:
http://arxiv.org/abs/quant-ph/9805027
Publikováno v:
Scopus-Elsevier
A hybrid scheme is presented that allows the transfer of squeezed states (TSS) from the mechanical part to an optical cavity in the steady-state. In a standard optomechanical scheme, a three-level atom acts as an intermediate element for TSS. Two dif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffd0174791f305f4b69ed929f5760605
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