Generating and protecting correlated quantum states under collective dephasing
Abstract: We study the collective dephasing process of a system of non-interacting atomic qubits, immersed in a spatially uniform magnetic field of fluctuating intensity. The correlation properties of bipartite states are analysed based on a geometric representation of the state space. Particular emphasis is put on the dephasing-assisted generation of states with a high correlation rank, which can be related to discord-type correlations and allow for direct applications in quantum information theory. Finally we study the conditions that ensure the robustness of initial entanglement and discuss the phenomenon of time-invariant entanglement
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Notes
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New journal of physics. Volume 18 (July 2016), 073010, DOI 10.1088/1367-2630/18/7/073010, issn: 1367-2630
IN COPYRIGHT http://rightsstatements.org/page/InC/1.0 rs
- Classification
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Physik
- Event
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Veröffentlichung
- (where)
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Freiburg
- (who)
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Universität
- (when)
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2016
- Contributor
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Fakultät für Mathematik und Physik
Physikalisches Institut
Freiburg Institute for Advanced Studies
Albert-Ludwigs-Universität Freiburg
- DOI
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10.1088/1367-2630/18/7/073010
- URN
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urn:nbn:de:bsz:25-freidok-122389
- Rights
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Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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25.03.2025, 1:57 PM CET
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Associated
- Carnio, Edoardo
- Buchleitner, Andreas
- Gessner, Manuel
- Fakultät für Mathematik und Physik
- Physikalisches Institut
- Freiburg Institute for Advanced Studies
- Albert-Ludwigs-Universität Freiburg
- Universität
Time of origin
- 2016
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