Phase-space studies of backscattering diffraction of defective Schrödinger cat states

Phase-space studies of backscattering diffraction of defective Schrödinger cat states

Abstract The coherent superposition of two well separated Gaussian wavepackets, with defects caused by their imperfect preparation, is considered within the phase-space approach based on the Wigner distribution function. This generic state is called the defective Schrödinger cat state due to this im...

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Autores principales: Damian Kołaczek, Bartłomiej J. Spisak, Maciej Wołoszyn
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Science
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Acceso en línea:https://doaj.org/article/9040e74be5594285a61d7237c4a1f323
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spelling oai:doaj.org-article:9040e74be5594285a61d7237c4a1f3232021-12-02T15:56:41ZPhase-space studies of backscattering diffraction of defective Schrödinger cat states10.1038/s41598-021-90738-x2045-2322https://doaj.org/article/9040e74be5594285a61d7237c4a1f3232021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-90738-xhttps://doaj.org/toc/2045-2322Abstract The coherent superposition of two well separated Gaussian wavepackets, with defects caused by their imperfect preparation, is considered within the phase-space approach based on the Wigner distribution function. This generic state is called the defective Schrödinger cat state due to this imperfection which significantly modifies the interference term. Propagation of this state in the phase space is described by the Moyal equation which is solved for the case of a dispersive medium with a Gaussian barrier in the above-barrier reflection regime. Formally, this regime constitutes conditions for backscattering diffraction phenomena. Dynamical quantumness and the degree of localization in the phase space of the considered state as a function of its imperfection are the subject of the performed analysis. The obtained results allow concluding that backscattering communication based on the defective Schrödinger cat states appears to be feasible with existing experimental capabilities.Damian KołaczekBartłomiej J. SpisakMaciej WołoszynNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Damian Kołaczek
Bartłomiej J. Spisak
Maciej Wołoszyn
Phase-space studies of backscattering diffraction of defective Schrödinger cat states
description Abstract The coherent superposition of two well separated Gaussian wavepackets, with defects caused by their imperfect preparation, is considered within the phase-space approach based on the Wigner distribution function. This generic state is called the defective Schrödinger cat state due to this imperfection which significantly modifies the interference term. Propagation of this state in the phase space is described by the Moyal equation which is solved for the case of a dispersive medium with a Gaussian barrier in the above-barrier reflection regime. Formally, this regime constitutes conditions for backscattering diffraction phenomena. Dynamical quantumness and the degree of localization in the phase space of the considered state as a function of its imperfection are the subject of the performed analysis. The obtained results allow concluding that backscattering communication based on the defective Schrödinger cat states appears to be feasible with existing experimental capabilities.
format article
author Damian Kołaczek
Bartłomiej J. Spisak
Maciej Wołoszyn
author_facet Damian Kołaczek
Bartłomiej J. Spisak
Maciej Wołoszyn
author_sort Damian Kołaczek
title Phase-space studies of backscattering diffraction of defective Schrödinger cat states
title_short Phase-space studies of backscattering diffraction of defective Schrödinger cat states
title_full Phase-space studies of backscattering diffraction of defective Schrödinger cat states
title_fullStr Phase-space studies of backscattering diffraction of defective Schrödinger cat states
title_full_unstemmed Phase-space studies of backscattering diffraction of defective Schrödinger cat states
title_sort phase-space studies of backscattering diffraction of defective schrödinger cat states
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/9040e74be5594285a61d7237c4a1f323
work_keys_str_mv AT damiankołaczek phasespacestudiesofbackscatteringdiffractionofdefectiveschrodingercatstates
AT bartłomiejjspisak phasespacestudiesofbackscatteringdiffractionofdefectiveschrodingercatstates
AT maciejwołoszyn phasespacestudiesofbackscatteringdiffractionofdefectiveschrodingercatstates
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