Publikation: Finite-temperature Bell test for quasiparticle entanglement in the Fermi sea
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2008
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Titov, Mikhail
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Physical Review B. 2008, 77(11), 115323. Verfügbar unter: doi: 10.1103/PhysRevB.77.115323
Zusammenfassung
We demonstrate that the Bell test cannot be realized at finite temperatures in the vast majority of electronic setups proposed previously for quantum entanglement generation. This fundamental difficulty is shown to originate in a finite probability of quasiparticle emission from Fermi-sea detectors. In order to overcome the feedback problem, we suggest a detection strategy, which takes advantage of a resonant coupling to the quasiparticle drains. Unlike other proposals, the designed Bell test provides a possibility to determine the critical temperature for entanglement production in the solid state.
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530 Physik
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Electronic transport in mesoscopic systems, Entanglement production, characterization and manipulation, Fermion systems and electron gas
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HANNES, Wolf-Rüdiger, Mikhail TITOV, 2008. Finite-temperature Bell test for quasiparticle entanglement in the Fermi sea. In: Physical Review B. 2008, 77(11), 115323. Verfügbar unter: doi: 10.1103/PhysRevB.77.115323BibTex
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journal={Physical Review B},
author={Hannes, Wolf-Rüdiger and Titov, Mikhail},
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