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Article: Particle-hole symmetry breaking and the v=5/2 fractional quantum Hall effect

TitleParticle-hole symmetry breaking and the v=5/2 fractional quantum Hall effect
Authors
Issue Date2009
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter and Materials Physics), 2009, v. 80 n. 24, p. article no. 241311 How to Cite?
AbstractWe report on the study of the fractional quantum Hall effect at the filling factor 5/2 using exact diagonalization method with torus geometry. The particle-hole symmetry breaking effect is considered using an additional three-body interaction. Both Pfaffian and anti-Pfaffian states can be the ground state depending on the sign of the three-body interaction. The results of the low-energy spectrum, the wave function overlap, and the particle-hole parity evolution, have shown clear evidence of a direct sharp transition (possibly first order) from the Pfaffian to the anti-Pfaffian state at the Coulomb point. A quantum phase diagram is established, where one finds further transitions from the Pfaffian or anti-Pfaffian state to the nearby compressible phases induced by a change of the pseudopotential. © 2009 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/197921
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, H-
dc.contributor.authorSheng, DN-
dc.contributor.authorHaldane, FDM-
dc.date.accessioned2014-06-11T08:27:36Z-
dc.date.available2014-06-11T08:27:36Z-
dc.date.issued2009-
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2009, v. 80 n. 24, p. article no. 241311-
dc.identifier.issn1098-0121-
dc.identifier.urihttp://hdl.handle.net/10722/197921-
dc.description.abstractWe report on the study of the fractional quantum Hall effect at the filling factor 5/2 using exact diagonalization method with torus geometry. The particle-hole symmetry breaking effect is considered using an additional three-body interaction. Both Pfaffian and anti-Pfaffian states can be the ground state depending on the sign of the three-body interaction. The results of the low-energy spectrum, the wave function overlap, and the particle-hole parity evolution, have shown clear evidence of a direct sharp transition (possibly first order) from the Pfaffian to the anti-Pfaffian state at the Coulomb point. A quantum phase diagram is established, where one finds further transitions from the Pfaffian or anti-Pfaffian state to the nearby compressible phases induced by a change of the pseudopotential. © 2009 The American Physical Society.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/-
dc.relation.ispartofPhysical Review B (Condensed Matter and Materials Physics)-
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleParticle-hole symmetry breaking and the v=5/2 fractional quantum Hall effecten_US
dc.typeArticleen_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.80.241311-
dc.identifier.scopuseid_2-s2.0-77954717350-
dc.identifier.hkuros204026-
dc.identifier.volume80-
dc.identifier.issue24-
dc.identifier.spagearticle no. 241311-
dc.identifier.epagearticle no. 241311-
dc.identifier.isiWOS:000273229200024-
dc.publisher.placeUnited States-

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