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Article: Vacancy-induced bound states in topological insulators

TitleVacancy-induced bound states in topological insulators
Authors
Shan, WYLu, JLu, HZShen, SQ
Issue Date2011
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter and Materials Physics), 2011, v. 84 n. 3, article no. 035307 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.84.035307
AbstractWe present an exact solution of a modified Dirac equation for topological insulator in the presence of a hole or vacancy to demonstrate that vacancies can induce bound states in the band gap of topological insulators. They arise due to the Z 2 classification of time-reversal invariant insulators. Coexistence of the in-gap bound states and the edge or surface states in topological insulators suggests that imperfections may affect transport properties of topological insulators via additional bound states near the system boundary. © 2011 American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/139648
ISSN
1098-0121
2014 Impact Factor: 3.736
ISI Accession Number ID
WOS:000292924800010
Funding AgencyGrant Number
Research Grant Council of Hong KongHKU 7051/11P
HKUST3/CRF/09
Funding Information:

We would like to thank T. K. Ng for stimulating our interest on this topic. This work was supported by the Research Grant Council of Hong Kong under Grant Nos. HKU 7051/11P and HKUST3/CRF/09.

References
References in Scopus
Grants
Quantum Order in Novel Materials: Superconductivity and Topological Order
Quantum Order in Novel Materials: Superconductivity and Topological Order
Quantum Order in Novel Materials: Superconductivity and Topological Order

 

DC FieldValueLanguage
dc.contributor.authorShan, WYen_HK
dc.contributor.authorLu, Jen_HK
dc.contributor.authorLu, HZen_HK
dc.contributor.authorShen, SQen_HK
dc.date.accessioned2011-09-23T05:52:55Z-
dc.date.available2011-09-23T05:52:55Z-
dc.date.issued2011en_HK
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2011, v. 84 n. 3, article no. 035307-
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139648-
dc.description.abstractWe present an exact solution of a modified Dirac equation for topological insulator in the presence of a hole or vacancy to demonstrate that vacancies can induce bound states in the band gap of topological insulators. They arise due to the Z 2 classification of time-reversal invariant insulators. Coexistence of the in-gap bound states and the edge or surface states in topological insulators suggests that imperfections may affect transport properties of topological insulators via additional bound states near the system boundary. © 2011 American Physical Society.en_HK
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review B (Condensed Matter and Materials Physics)-
dc.rightsCopyright 2011 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.84.035307-
dc.titleVacancy-induced bound states in topological insulatorsen_HK
dc.typeArticleen_HK
dc.identifier.emailLu, HZ: luhz@hku.hken_HK
dc.identifier.emailShen, SQ: sshen@hkucc.hku.hken_HK
dc.identifier.authorityLu, HZ=rp01599en_HK
dc.identifier.authorityShen, SQ=rp00775en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.84.035307en_HK
dc.identifier.scopuseid_2-s2.0-79961214919en_HK
dc.identifier.hkuros195620en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79961214919&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume84en_HK
dc.identifier.issue3en_HK
dc.identifier.spagearticle no. 035307-
dc.identifier.epagearticle no. 035307-
dc.identifier.isiWOS:000292924800010-
dc.publisher.placeUnited Statesen_HK
dc.relation.projectQuantum Order in Novel Materials: Superconductivity and Topological Order-
dc.relation.projectQuantum Order in Novel Materials: Superconductivity and Topological Order-
dc.relation.projectQuantum Order in Novel Materials: Superconductivity and Topological Order-
dc.identifier.scopusauthoridShan, WY=36093352700en_HK
dc.identifier.scopusauthoridLu, J=16407091300en_HK
dc.identifier.scopusauthoridLu, HZ=24376662200en_HK
dc.identifier.scopusauthoridShen, SQ=7403431266en_HK
dc.identifier.issnl1098-0121-

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