Effective electron-electron interactions and magnetic phase transition in a two-dimensional electron liquid

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buir.contributor.authorTanatar, Bilal
buir.contributor.orcidTanatar, Bilal|0000-0002-5246-0119
dc.citation.epage599en_US
dc.citation.issueNumber11en_US
dc.citation.spage595en_US
dc.citation.volumeNumber141en_US
dc.contributor.authorAsgari, R.en_US
dc.contributor.authorEsmailian, A.en_US
dc.contributor.authorTanatar, Bilalen_US
dc.date.accessioned2016-02-08T10:15:14Z
dc.date.available2016-02-08T10:15:14Z
dc.date.issued2007en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractWe investigate the spin-dependent effective electron-electron interactions in a uniform system of two-dimensional electrons to understand the spontaneous magnetization expected to occur at very low density. For this purpose, we adopt the Kukkonen-Overhauser form for the effective interactions which are built by accurately determined local-field factors describing the charge and spin fluctuations. The critical behavior of the effective interaction for parallel spin electrons allows us to quantitatively locate the transition to the ferromagnetic state at rs ≈ 27. When the finite width effects are approximately taken into account the transition occurs at rs ≈ 30 in agreement with recent quantum Monte Carlo calculations.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T10:15:14Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2007en
dc.identifier.doi10.1016/j.ssc.2007.01.004en_US
dc.identifier.issn0038-1098
dc.identifier.urihttp://hdl.handle.net/11693/23527
dc.language.isoEnglishen_US
dc.publisherElsevier B.V.en_US
dc.relation.isversionofhttp://dx.doi.org/10.1016/j.ssc.2007.01.004en_US
dc.source.titleSolid State Communicationsen_US
dc.subjectD. Electron-electron interactionsen_US
dc.subjectD. Magnetic phase transitionen_US
dc.subjectElectronsen_US
dc.subjectFerromagnetic materialsen_US
dc.subjectMonte Carlo methodsen_US
dc.subjectPhase transitionsen_US
dc.subjectQuantum theoryen_US
dc.subjectTwo dimensionalen_US
dc.subjectElectron-electron interactionsen_US
dc.subjectMagnetic phase transitionen_US
dc.subjectSpin electronsen_US
dc.subjectSpin fluctuationsen_US
dc.subjectMagnetic fluidsen_US
dc.titleEffective electron-electron interactions and magnetic phase transition in a two-dimensional electron liquiden_US
dc.typeArticleen_US

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