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Article: A global quantum Monte Carlo approach for the persistent current in an Aharonov-Bohm ring with interacting electrons

TitleA global quantum Monte Carlo approach for the persistent current in an Aharonov-Bohm ring with interacting electrons
Authors
Issue Date1996
PublisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/Journals/jpcm
Citation
Journal Of Physics Condensed Matter, 1996, v. 8 n. 30, p. L413-L420 How to Cite?
AbstractWe propose a quantum Monte Carlo approach for the study of the thermo-equilibrium persistent current in an Aharonov-Bohm ring with interacting electrons. From topological considerations we derive a formula for the current, which leads to a global quantum Monte Carlo algorithm to evaluate the global current-phase relation at a given temperature without going into simulations point-by-point in the phase. Notable features in the present approach are: (i) the problem of complex elements in the representation of the partition function is well-handled, (ii) being robust against possible randomness in the Hamiltonian, the basic formula captures all phase-dependent physics and hence makes the simulation itself extremely efficient and reliable.
Persistent Identifierhttp://hdl.handle.net/10722/174665
ISSN
2015 Impact Factor: 2.209
2015 SCImago Journal Rankings: 0.812
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWang, Qen_US
dc.contributor.authorZhu, JXen_US
dc.contributor.authorWang, ZDen_US
dc.date.accessioned2012-11-26T08:46:47Z-
dc.date.available2012-11-26T08:46:47Z-
dc.date.issued1996en_US
dc.identifier.citationJournal Of Physics Condensed Matter, 1996, v. 8 n. 30, p. L413-L420en_US
dc.identifier.issn0953-8984en_US
dc.identifier.urihttp://hdl.handle.net/10722/174665-
dc.description.abstractWe propose a quantum Monte Carlo approach for the study of the thermo-equilibrium persistent current in an Aharonov-Bohm ring with interacting electrons. From topological considerations we derive a formula for the current, which leads to a global quantum Monte Carlo algorithm to evaluate the global current-phase relation at a given temperature without going into simulations point-by-point in the phase. Notable features in the present approach are: (i) the problem of complex elements in the representation of the partition function is well-handled, (ii) being robust against possible randomness in the Hamiltonian, the basic formula captures all phase-dependent physics and hence makes the simulation itself extremely efficient and reliable.en_US
dc.languageengen_US
dc.publisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/Journals/jpcmen_US
dc.relation.ispartofJournal of Physics Condensed Matteren_US
dc.titleA global quantum Monte Carlo approach for the persistent current in an Aharonov-Bohm ring with interacting electronsen_US
dc.typeArticleen_US
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_US
dc.identifier.authorityWang, ZD=rp00802en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1088/0953-8984/8/30/001en_US
dc.identifier.scopuseid_2-s2.0-0008018394en_US
dc.identifier.hkuros20908-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0008018394&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume8en_US
dc.identifier.issue30en_US
dc.identifier.spageL413en_US
dc.identifier.epageL420en_US
dc.identifier.isiWOS:A1996UZ48300001-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridWang, Q=36479467200en_US
dc.identifier.scopusauthoridZhu, JX=7405688302en_US
dc.identifier.scopusauthoridWang, ZD=14828459100en_US

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