Nonsymmetrized Correlations in Quantum Noninvasive Measurements

dc.contributor.authorBednorz, Adam
dc.contributor.authorBruder, Christophdeu
dc.contributor.authorReulet, Bertranddeu
dc.contributor.authorBelzig, Wolfgang
dc.date.accessioned2013-03-18T09:36:21Zdeu
dc.date.available2013-03-18T09:36:21Zdeu
dc.date.issued2012deu
dc.description.abstractA long-standing problem in quantum mesoscopic physics is how to order operators in quantum noise expressions like where I(\omega) is the measured current at frequency \omega. Symmetrized ordering of operators describes a classical measurement while nonsymmetrized ordering corresponds to a quantum detector, sensitive to either emission or absorption of photons. We show that both ordering schemes can be embedded in quantum weak-measurement theory taking into account a finite interaction time between the system and the detector. Importantly, the nonsymmetrized ordering reveals its nonclassical nature already in second-order correlations, contrary to symmetrized ordering. This feature can be related to the squeezing of the many-body state of the transported electrons in a ac-driven tunnel junction.eng
dc.description.versionpublished
dc.identifier.arxiv1211.6056deu
dc.identifier.ppn380075407deu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/22475
dc.language.isoengdeu
dc.legacy.dateIssued2013-03-18deu
dc.rightsterms-of-usedeu
dc.rights.urihttps://rightsstatements.org/page/InC/1.0/deu
dc.subject.ddc530deu
dc.titleNonsymmetrized Correlations in Quantum Noninvasive Measurementseng
dc.typePREPRINTdeu
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kops.citation.bibtex
@unpublished{Bednorz2012Nonsy-22475,
  year={2012},
  title={Nonsymmetrized Correlations in Quantum Noninvasive Measurements},
  author={Bednorz, Adam and Bruder, Christoph and Reulet, Bertrand and Belzig, Wolfgang}
}
kops.citation.iso690BEDNORZ, Adam, Christoph BRUDER, Bertrand REULET, Wolfgang BELZIG, 2012. Nonsymmetrized Correlations in Quantum Noninvasive Measurementsdeu
kops.citation.iso690BEDNORZ, Adam, Christoph BRUDER, Bertrand REULET, Wolfgang BELZIG, 2012. Nonsymmetrized Correlations in Quantum Noninvasive Measurementseng
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