Nonsymmetrized Correlations in Quantum Noninvasive Measurements

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BEDNORZ, Adam, Christoph BRUDER, Bertrand REULET, Wolfgang BELZIG, 2013. Nonsymmetrized Correlations in Quantum Noninvasive Measurements. In: Physical Review Letters. 110(25). ISSN 0031-9007. eISSN 1079-7114

@article{Bednorz2013Nonsy-24523, title={Nonsymmetrized Correlations in Quantum Noninvasive Measurements}, year={2013}, doi={10.1103/PhysRevLett.110.250404}, number={25}, volume={110}, issn={0031-9007}, journal={Physical Review Letters}, author={Bednorz, Adam and Bruder, Christoph and Reulet, Bertrand and Belzig, Wolfgang} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/24523"> <dc:language>eng</dc:language> <dc:creator>Bruder, Christoph</dc:creator> <dcterms:title>Nonsymmetrized Correlations in Quantum Noninvasive Measurements</dcterms:title> <dc:rights>deposit-license</dc:rights> <dcterms:issued>2013</dcterms:issued> <dc:contributor>Belzig, Wolfgang</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2013-10-01T10:44:21Z</dc:date> <dcterms:bibliographicCitation>Physical Review Letters ; 110 (2013), 25. - 250404</dcterms:bibliographicCitation> <dc:contributor>Reulet, Bertrand</dc:contributor> <dc:contributor>Bednorz, Adam</dc:contributor> <dc:creator>Bednorz, Adam</dc:creator> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/24523"/> <dc:creator>Reulet, Bertrand</dc:creator> <dcterms:abstract xml:lang="eng">A long-standing problem in quantum mesoscopic physics is which operator order corresponds to noise expressions like $\langle I(-\omega)I(\omega)\rangle$, where $I(\omega)$ is the measured current at frequency $\omega$. Symmetrized order describes a classical measurement while nonsymmetrized order corresponds to a quantum detector, e.g., one sensitive to either emission or absorption of photons. We show that both order schemes can be embedded in quantum weak-measurement theory taking into account measurements with memory, characterized by a memory function which is independent of a particular experimental detection scheme. We discuss the resulting quasiprobabilities for different detector temperatures and how their negativity can be tested on the level of second-order correlation functions already. Experimentally, this negativity can be related to the squeezing of the many-body state of the transported electrons in an ac-driven tunnel junction.</dcterms:abstract> <dc:contributor>Bruder, Christoph</dc:contributor> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2013-10-01T10:44:21Z</dcterms:available> <dc:creator>Belzig, Wolfgang</dc:creator> </rdf:Description> </rdf:RDF>

Dateiabrufe seit 01.10.2014 (Informationen über die Zugriffsstatistik)

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