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Article: Persistent current via Aharonov-Bohm effect for charged hard-core bosons in one-dimensional mesoscopic rings

TitlePersistent current via Aharonov-Bohm effect for charged hard-core bosons in one-dimensional mesoscopic rings
Authors
KeywordsAharonov-Bohm effect
Hard-core bosons
Mesoscopic rings
Persistent currents
Issue Date1995
PublisherInstitute of Pure and Applied Physics. The Journal's web site is located at http://www.ipap.jp/jpsj/index.htm
Citation
Journal Of The Physical Society Of Japan, 1995, v. 64 n. 2, p. 335-338 How to Cite?
AbstractBased upon a tight-binding model Hamiltonian and by applying the Jordan-Wigner transformation, the Aharonov-Bohm (AB) effect for charged hard-core bosons in one-dimensional (1D) mesoscopic rings is investigated for the first time. By introducing a specific unitary transformation, the energy spectrum and the persistent charge current are analytically derived for ID perfect lattices. Similar to electron systems, it has been found that the energy and persistent current are periodic in AB flux with the period Φ0=hc/q. More interestingly, we have exactly shown that, in the absence of the external AB flux, the charge current can be self-sustained via the AB effect, which is in fact the ground state of the system regardless of the number of hard-core bosons being even or odd.
Persistent Identifierhttp://hdl.handle.net/10722/81001
ISSN
2015 Impact Factor: 1.559
2015 SCImago Journal Rankings: 0.720

 

DC FieldValueLanguage
dc.contributor.authorZhu, JXen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2010-09-06T08:12:38Z-
dc.date.available2010-09-06T08:12:38Z-
dc.date.issued1995en_HK
dc.identifier.citationJournal Of The Physical Society Of Japan, 1995, v. 64 n. 2, p. 335-338en_HK
dc.identifier.issn0031-9015en_HK
dc.identifier.urihttp://hdl.handle.net/10722/81001-
dc.description.abstractBased upon a tight-binding model Hamiltonian and by applying the Jordan-Wigner transformation, the Aharonov-Bohm (AB) effect for charged hard-core bosons in one-dimensional (1D) mesoscopic rings is investigated for the first time. By introducing a specific unitary transformation, the energy spectrum and the persistent charge current are analytically derived for ID perfect lattices. Similar to electron systems, it has been found that the energy and persistent current are periodic in AB flux with the period Φ0=hc/q. More interestingly, we have exactly shown that, in the absence of the external AB flux, the charge current can be self-sustained via the AB effect, which is in fact the ground state of the system regardless of the number of hard-core bosons being even or odd.en_HK
dc.languageengen_HK
dc.publisherInstitute of Pure and Applied Physics. The Journal's web site is located at http://www.ipap.jp/jpsj/index.htmen_HK
dc.relation.ispartofJournal of the Physical Society of Japanen_HK
dc.subjectAharonov-Bohm effecten_HK
dc.subjectHard-core bosonsen_HK
dc.subjectMesoscopic ringsen_HK
dc.subjectPersistent currentsen_HK
dc.titlePersistent current via Aharonov-Bohm effect for charged hard-core bosons in one-dimensional mesoscopic ringsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0031-9015&volume=64&issue=2&spage=335&epage=338&date=1995&atitle=Persistent+current+via+Aharonov-Bohm+effect+for+charged+hard-core+bosons+in+one-dimensional+mesoscopic+ringsen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-77952764777en_HK
dc.identifier.hkuros3177en_HK
dc.identifier.volume64en_HK
dc.identifier.issue2en_HK
dc.identifier.spage335en_HK
dc.identifier.epage338en_HK
dc.publisher.placeJapanen_HK
dc.identifier.scopusauthoridZhu, JX=7405688302en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK

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