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Nonequilibrium Josephson oscillations in Bose-Einstein condensates without dissipation

Nonequilibrium Josephson oscillations in Bose-Einstein condensates without dissipation

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TRUJILLO-MARTINEZ, Mauricio, Anna POSAZHENNIKOVA, Johann KROHA, 2009. Nonequilibrium Josephson oscillations in Bose-Einstein condensates without dissipation. In: Physical Review Letters. 103(10), 105302

@article{Trujillo-Martinez2009Noneq-4652, title={Nonequilibrium Josephson oscillations in Bose-Einstein condensates without dissipation}, year={2009}, doi={10.1103/PhysRevLett.103.105302}, number={10}, volume={103}, journal={Physical Review Letters}, author={Trujillo-Martinez, Mauricio and Posazhennikova, Anna and Kroha, Johann}, note={Article Number: 105302} }

<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/123456789/4652"> <dc:rights>deposit-license</dc:rights> <dc:language>eng</dc:language> <dc:creator>Trujillo-Martinez, Mauricio</dc:creator> <dc:creator>Posazhennikova, Anna</dc:creator> <dc:creator>Kroha, Johann</dc:creator> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103416863-3868037-7"/> <dcterms:abstract xml:lang="eng">We perform a detailed field theoretical study of nonequilibrium Josephson oscillations between interacting Bose-Einstein condensates confined in a finite-size double-well trap. We find that the Josephson junction can sustain multiple undamped Josephson oscillations up to a characteristic time scale tc without quasipartcles being excited in the system. This may explain recent related experiments. At larger times the dynamics of the junction is governed by fast Rabi oscillations between the descrete quasiparticle levels. We predict that a selftrapped BEC state will be destroyed by these Rabi oscillations.</dcterms:abstract> <dcterms:issued>2009</dcterms:issued> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/4652"/> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T14:49:17Z</dc:date> <dc:contributor>Trujillo-Martinez, Mauricio</dc:contributor> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T14:49:17Z</dcterms:available> <dc:contributor>Kroha, Johann</dc:contributor> <dcterms:title>Nonequilibrium Josephson oscillations in Bose-Einstein condensates without dissipation</dcterms:title> <dc:contributor>Posazhennikova, Anna</dc:contributor> <dcterms:bibliographicCitation>First publ. in: arXiv:0903.5459v4 [cond-mat.quant-gas] 2009; also publ. in: Physical Review Letters 103 (2009), 10, 105302</dcterms:bibliographicCitation> <dc:format>application/pdf</dc:format> </rdf:Description> </rdf:RDF>

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Posazhennikova0903.5459v4.pdf 28

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