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Article: Topological quantum phase transition and the Berry phase near the Fermi surface in hole-doped quantum wells
Title | Topological quantum phase transition and the Berry phase near the Fermi surface in hole-doped quantum wells |
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Authors | |
Keywords | Physics |
Issue Date | 2007 |
Publisher | Institute of Physics Publishing Ltd.. The Journal's web site is located at http://iopscience.iop.org/0295-5075 |
Citation | Epl, 2007, v. 79 n. 4, Article no. 47010 How to Cite? |
Abstract | We propose a topological quantum phase transition for quantum states with different Berry phases in hole-doped III-V semiconductor quantum wells with bulk and structure inversion asymmetry. The Berry phase of the occupied Bloch states can be characteristic of topological metallic states. It is found that the adjustment of the thickness of the quantum well may cause a transition of the Berry phase in a two-dimensional hole gas. Correspondingly, the jump of the spin Hall conductivity accompanies the change of the Berry phase. This property is robust against the impurity potentials in the system. Experimental detection of this topological quantum phase transition is discussed. © Europhysics Letters Association. |
Persistent Identifier | http://hdl.handle.net/10722/57319 |
ISSN | 2023 Impact Factor: 1.8 2023 SCImago Journal Rankings: 0.498 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Zhou, B | en_HK |
dc.contributor.author | Liu, CX | en_HK |
dc.contributor.author | Shen, SQ | en_HK |
dc.date.accessioned | 2010-04-12T01:33:05Z | - |
dc.date.available | 2010-04-12T01:33:05Z | - |
dc.date.issued | 2007 | en_HK |
dc.identifier.citation | Epl, 2007, v. 79 n. 4, Article no. 47010 | en_HK |
dc.identifier.issn | 0295-5075 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/57319 | - |
dc.description.abstract | We propose a topological quantum phase transition for quantum states with different Berry phases in hole-doped III-V semiconductor quantum wells with bulk and structure inversion asymmetry. The Berry phase of the occupied Bloch states can be characteristic of topological metallic states. It is found that the adjustment of the thickness of the quantum well may cause a transition of the Berry phase in a two-dimensional hole gas. Correspondingly, the jump of the spin Hall conductivity accompanies the change of the Berry phase. This property is robust against the impurity potentials in the system. Experimental detection of this topological quantum phase transition is discussed. © Europhysics Letters Association. | en_HK |
dc.language | eng | en_HK |
dc.publisher | Institute of Physics Publishing Ltd.. The Journal's web site is located at http://iopscience.iop.org/0295-5075 | en_HK |
dc.relation.ispartof | EPL | en_HK |
dc.rights | Europhysics Letters. Copyright © E D P Sciences. | en_HK |
dc.rights | The original publication is available at www.edpsciences.org | en_HK |
dc.subject | Physics | en_HK |
dc.title | Topological quantum phase transition and the Berry phase near the Fermi surface in hole-doped quantum wells | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0295-5075&volume=79&issue=4&spage=47010&epage=1 &date=2007&atitle=Topological+quantum+phase+transition+and+the+Berry+phase+near+the+Fermi+surface+in+hole-doped+quantum+wells | en_HK |
dc.identifier.email | Shen, SQ: sshen@hkucc.hku.hk | en_HK |
dc.identifier.authority | Shen, SQ=rp00775 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1209/0295-5075/79/47010 | en_HK |
dc.identifier.scopus | eid_2-s2.0-79051469847 | en_HK |
dc.identifier.hkuros | 136998 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-79051469847&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 79 | en_HK |
dc.identifier.issue | 4 | en_HK |
dc.identifier.isi | WOS:000248980000018 | - |
dc.publisher.place | United Kingdom | en_HK |
dc.identifier.scopusauthorid | Zhou, B=7401906664 | en_HK |
dc.identifier.scopusauthorid | Liu, CX=26659930800 | en_HK |
dc.identifier.scopusauthorid | Shen, SQ=7403431266 | en_HK |
dc.identifier.issnl | 0295-5075 | - |