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Article: Statistical correlation for a three-terminal normal-metal–superconductor– superconductor hybrid system

TitleStatistical correlation for a three-terminal normal-metal–superconductor– superconductor hybrid system
Authors
KeywordsPhysics
Issue Date2003
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter and Materials Physics), 2003, v. 67 n. 1, p. 014509:1-7 How to Cite?
AbstractIt is well known that the particles in a beam of bosons obeying Bose-Einstein statistics tend to cluster (bunching effect), while the particles in a degenerate beam of fermions obeying Fermi-Dirac statistics expel each other (antibunching effect). Here we investigate the statistical correlation effect for a three-terminal normal-metal–superconductor–superconductor hybrid mesoscopic system. By using a nonequilibrium Green’s-function technique, we obtain a positive cross correlation when the external voltage is smaller than the gap energy, which demonstrates bosonic behavior. In the larger voltage limit, the cross correlation becomes negative due to the contribution of the quasiparticles. At large voltages, the oscillation between fermionic and bosonic behavior of cross correlation is also observed in the strong-coupling regime as one changes the position of the resonant levels.
Persistent Identifierhttp://hdl.handle.net/10722/43371
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, Ben_HK
dc.contributor.authorWang, Jen_HK
dc.date.accessioned2007-03-23T04:44:27Z-
dc.date.available2007-03-23T04:44:27Z-
dc.date.issued2003en_HK
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2003, v. 67 n. 1, p. 014509:1-7en_HK
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43371-
dc.description.abstractIt is well known that the particles in a beam of bosons obeying Bose-Einstein statistics tend to cluster (bunching effect), while the particles in a degenerate beam of fermions obeying Fermi-Dirac statistics expel each other (antibunching effect). Here we investigate the statistical correlation effect for a three-terminal normal-metal–superconductor–superconductor hybrid mesoscopic system. By using a nonequilibrium Green’s-function technique, we obtain a positive cross correlation when the external voltage is smaller than the gap energy, which demonstrates bosonic behavior. In the larger voltage limit, the cross correlation becomes negative due to the contribution of the quasiparticles. At large voltages, the oscillation between fermionic and bosonic behavior of cross correlation is also observed in the strong-coupling regime as one changes the position of the resonant levels.en_HK
dc.format.extent114231 bytes-
dc.format.extent25600 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_HK
dc.subjectPhysicsen_HK
dc.titleStatistical correlation for a three-terminal normal-metal–superconductor– superconductor hybrid systemen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=67&issue=1&spage=014509:1&epage=7&date=2003&atitle=Statistical+correlation+for+a+three-terminal+normal-metal–superconductor–+superconductor+hybrid+systemen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.67.014509en_HK
dc.identifier.scopuseid_2-s2.0-0037282112-
dc.identifier.isiWOS:000180830400079-

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