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Article: Delocalization of Relativistic Dirac Particles in Disordered One-Dimensional Systems and Its Implementation with Cold Atoms

TitleDelocalization of Relativistic Dirac Particles in Disordered One-Dimensional Systems and Its Implementation with Cold Atoms
Authors
KeywordsPhysics
Issue Date2009
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
Citation
Physical Review Letters, 2009, v. 102 n. 21 How to Cite?
AbstractWe study theoretically the localization of relativistic particles in disordered one-dimensional chains. It is found that the relativistic particles tend to delocalization in comparison with the nonrelativistic particles with the same disorder strength. More intriguingly, we reveal that the massless Dirac particles are entirely delocalized for any energy due to the inherent chiral symmetry, leading to a well-known result that particles are always localized in one-dimensional systems for arbitrary weak disorders to break down. Furthermore, we propose a feasible scheme to detect the delocalization feature of the Dirac particles with cold atoms in a light-induced gauge field. © 2009 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/59633
ISSN
2015 Impact Factor: 7.645
2015 SCImago Journal Rankings: 3.731
ISI Accession Number ID
Funding AgencyGrant Number
RGC of Hong Kong
NSFC10674049
SKPBRC2006CB921800
2007CB925204
Funding Information:

We thank L.-M. Duan for many fruitful discussions. This work was supported by the RGC of Hong Kong, the NSFC (No. 10674049), and the SKPBRC (No. 2006CB921800 and No. 2007CB925204).

References

 

DC FieldValueLanguage
dc.contributor.authorZhu, SLen_HK
dc.contributor.authorZhang, DWen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2010-05-31T03:54:11Z-
dc.date.available2010-05-31T03:54:11Z-
dc.date.issued2009en_HK
dc.identifier.citationPhysical Review Letters, 2009, v. 102 n. 21en_HK
dc.identifier.issn0031-9007en_HK
dc.identifier.urihttp://hdl.handle.net/10722/59633-
dc.description.abstractWe study theoretically the localization of relativistic particles in disordered one-dimensional chains. It is found that the relativistic particles tend to delocalization in comparison with the nonrelativistic particles with the same disorder strength. More intriguingly, we reveal that the massless Dirac particles are entirely delocalized for any energy due to the inherent chiral symmetry, leading to a well-known result that particles are always localized in one-dimensional systems for arbitrary weak disorders to break down. Furthermore, we propose a feasible scheme to detect the delocalization feature of the Dirac particles with cold atoms in a light-induced gauge field. © 2009 The American Physical Society.en_HK
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.orgen_HK
dc.relation.ispartofPhysical Review Lettersen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review Letters. Copyright © American Physical Society.en_HK
dc.subjectPhysics-
dc.titleDelocalization of Relativistic Dirac Particles in Disordered One-Dimensional Systems and Its Implementation with Cold Atomsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0031-9007&volume=102&issue=21 article no. 210403&spage=&epage=&date=2009&atitle=Delocalization+of+relativistic+Dirac+particles+in+disordered+one-dimensional+systems+and+its+implementation+with+cold+atomsen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevLett.102.210403en_HK
dc.identifier.pmid19519087-
dc.identifier.scopuseid_2-s2.0-66349137896en_HK
dc.identifier.hkuros162478en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-66349137896&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume102en_HK
dc.identifier.issue21en_HK
dc.identifier.eissn1079-7114-
dc.identifier.isiWOS:000266501600003-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZhu, SL=34972495900en_HK
dc.identifier.scopusauthoridZhang, DW=26640794100en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK

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