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Article: Particle-hole symmetry breaking and the v=5/2 fractional quantum Hall effect
Title | Particle-hole symmetry breaking and the v=5/2 fractional quantum Hall effect |
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Authors | |
Issue Date | 2009 |
Publisher | American 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, article no. 241311 How to Cite? |
Abstract | We 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 Identifier | http://hdl.handle.net/10722/197921 |
ISSN | 2014 Impact Factor: 3.736 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Wang, H | - |
dc.contributor.author | Sheng, DN | - |
dc.contributor.author | Haldane, FDM | - |
dc.date.accessioned | 2014-06-11T08:27:36Z | - |
dc.date.available | 2014-06-11T08:27:36Z | - |
dc.date.issued | 2009 | - |
dc.identifier.citation | Physical Review B (Condensed Matter and Materials Physics), 2009, v. 80 n. 24, article no. 241311 | - |
dc.identifier.issn | 1098-0121 | - |
dc.identifier.uri | http://hdl.handle.net/10722/197921 | - |
dc.description.abstract | We 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.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ | - |
dc.relation.ispartof | Physical Review B (Condensed Matter and Materials Physics) | - |
dc.rights | Copyright 2009 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.80.241311 | - |
dc.title | Particle-hole symmetry breaking and the v=5/2 fractional quantum Hall effect | en_US |
dc.type | Article | en_US |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevB.80.241311 | - |
dc.identifier.scopus | eid_2-s2.0-77954717350 | - |
dc.identifier.hkuros | 204026 | - |
dc.identifier.volume | 80 | - |
dc.identifier.issue | 24 | - |
dc.identifier.spage | article no. 241311 | - |
dc.identifier.epage | article no. 241311 | - |
dc.identifier.isi | WOS:000273229200024 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 1098-0121 | - |