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Article: Spin-orbital entanglement and quantum phase transitions in a spin-orbital chain with SU (2) ×sU (2) symmetry
Title | Spin-orbital entanglement and quantum phase transitions in a spin-orbital chain with SU (2) ×sU (2) symmetry |
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Authors | |
Issue Date | 2007 |
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), 2007, v. 75 n. 19, article no. 195113 How to Cite? |
Abstract | Spin-orbital entanglement in quantum spin-orbital systems is quantified by a specifically reduced von Neumann entropy and is calculated for the ground state of a coupled spin-orbital chain with SU (2) ×SU (2) symmetry. By analyzing the discontinuity and local extreme of the reduced entropy, we deduce a rich phase diagram describing quantum phase transitions in this system with complex correlations between multiple degrees of freedom. © 2007 The American Physical Society. |
Persistent Identifier | http://hdl.handle.net/10722/92108 |
ISSN | 2014 Impact Factor: 3.736 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Chen, Y | en_HK |
dc.contributor.author | Wang, ZD | en_HK |
dc.contributor.author | Li, YQ | en_HK |
dc.contributor.author | Zhang, FC | en_HK |
dc.date.accessioned | 2010-09-17T10:36:19Z | - |
dc.date.available | 2010-09-17T10:36:19Z | - |
dc.date.issued | 2007 | en_HK |
dc.identifier.citation | Physical Review B (Condensed Matter and Materials Physics), 2007, v. 75 n. 19, article no. 195113 | - |
dc.identifier.issn | 1098-0121 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/92108 | - |
dc.description.abstract | Spin-orbital entanglement in quantum spin-orbital systems is quantified by a specifically reduced von Neumann entropy and is calculated for the ground state of a coupled spin-orbital chain with SU (2) ×SU (2) symmetry. By analyzing the discontinuity and local extreme of the reduced entropy, we deduce a rich phase diagram describing quantum phase transitions in this system with complex correlations between multiple degrees of freedom. © 2007 The American Physical Society. | en_HK |
dc.language | eng | en_HK |
dc.publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ | en_HK |
dc.relation.ispartof | Physical Review B (Condensed Matter and Materials Physics) | - |
dc.rights | Copyright 2007 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.75.195113 | - |
dc.title | Spin-orbital entanglement and quantum phase transitions in a spin-orbital chain with SU (2) ×sU (2) symmetry | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Wang, ZD: zwang@hkucc.hku.hk | en_HK |
dc.identifier.email | Zhang, FC: fuchun@hkucc.hku.hk | en_HK |
dc.identifier.authority | Wang, ZD=rp00802 | en_HK |
dc.identifier.authority | Zhang, FC=rp00840 | en_HK |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevB.75.195113 | en_HK |
dc.identifier.scopus | eid_2-s2.0-34347351285 | en_HK |
dc.identifier.hkuros | 127314 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-34347351285&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 75 | en_HK |
dc.identifier.issue | 19 | en_HK |
dc.identifier.spage | article no. 195113 | - |
dc.identifier.epage | article no. 195113 | - |
dc.identifier.eissn | 1550-235X | - |
dc.identifier.isi | WOS:000246890800042 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Chen, Y=7601428288 | en_HK |
dc.identifier.scopusauthorid | Wang, ZD=14828459100 | en_HK |
dc.identifier.scopusauthorid | Li, YQ=7502084929 | en_HK |
dc.identifier.scopusauthorid | Zhang, FC=14012468800 | en_HK |
dc.identifier.issnl | 1098-0121 | - |