"Smile" gap in the density of states of a cavity between superconductors


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REUTLINGER, Johannes, Leonid GLAZMAN, Yuli V. NAZAROV, Wolfgang BELZIG, 2014. "Smile" gap in the density of states of a cavity between superconductors. In: Physical Review Letters. 112(6). ISSN 0031-9007. eISSN 1079-7114

@article{Reutlinger2014"Smil-26519, title={"Smile" gap in the density of states of a cavity between superconductors}, year={2014}, doi={10.1103/PhysRevLett.112.067001}, number={6}, volume={112}, issn={0031-9007}, journal={Physical Review Letters}, author={Reutlinger, Johannes and Glazman, Leonid and Nazarov, Yuli V. 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/123456789/26519"> <dc:creator>Nazarov, Yuli V.</dc:creator> <dc:contributor>Reutlinger, Johannes</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2014-02-21T12:21:23Z</dc:date> <dcterms:abstract xml:lang="eng">The density of Andreev levels in a normal metal (N) in contact with two superconductors (S) is known to exhibit an induced minigap related to the inverse dwell time. We predict a small secondary gap just below the superconducting gap edge-a feature that has been overlooked so far in numerous microscopic studies of the density of states in S-N-S structures. In a generic structure with N being a chaotic cavity, the secondary gap is the widest at zero phase bias. It closes at some finite phase bias, forming the shape of a "smile". Asymmetric couplings give even richer gap structures near the phase difference π. All the features found should be amendable to experimental detection in high-resolution low-temperature tunneling spectroscopy.</dcterms:abstract> <dcterms:issued>2014</dcterms:issued> <dc:creator>Belzig, Wolfgang</dc:creator> <dcterms:title>"Smile" gap in the density of states of a cavity between superconductors</dcterms:title> <dc:contributor>Nazarov, Yuli V.</dc:contributor> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/26519"/> <dc:language>eng</dc:language> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dc:contributor>Glazman, Leonid</dc:contributor> <dcterms:bibliographicCitation>Physical Review Letters ; 112 (2014), 6. - 067001</dcterms:bibliographicCitation> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2014-02-21T12:21:23Z</dcterms:available> <dc:creator>Glazman, Leonid</dc:creator> <dc:contributor>Belzig, Wolfgang</dc:contributor> <dc:creator>Reutlinger, Johannes</dc:creator> <dc:rights>deposit-license</dc:rights> </rdf:Description> </rdf:RDF>

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