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- Publisher Website: 10.1103/PhysRevLett.110.240404
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- PMID: 25165899
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Article: Topological Classification and Stability of Fermi Surfaces
Title | Topological Classification and Stability of Fermi Surfaces |
---|---|
Authors | |
Issue Date | 2013 |
Publisher | American Physical Society. The Journal's web site is located at http://prl.aps.org |
Citation | Physical Review Letters, 2013, v. 110 n. 24, article no. 240404 How to Cite? |
Abstract | In the framework of the Cartan classification of Hamiltonians, a kind of topological classification of Fermi surfaces is established in terms of topological charges. The topological charge of a Fermi surface depends on its codimension and the class to which its Hamiltonian belongs. It is revealed that six types of topological charges exist, and they form two groups with respect to the chiral symmetry, with each group consisting of one original charge and two descendants. It is these nontrivial topological charges which lead to the robust topological protection of the corresponding Fermi surfaces against perturbations that preserve discrete symmetries. © 2013 American Physical Society. |
Persistent Identifier | http://hdl.handle.net/10722/189323 |
ISSN | 2021 Impact Factor: 9.185 2020 SCImago Journal Rankings: 3.688 |
ISI Accession Number ID |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Zhao, Y | en_US |
dc.contributor.author | Wang, Z | en_US |
dc.date.accessioned | 2013-09-17T14:35:44Z | - |
dc.date.available | 2013-09-17T14:35:44Z | - |
dc.date.issued | 2013 | en_US |
dc.identifier.citation | Physical Review Letters, 2013, v. 110 n. 24, article no. 240404 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/10722/189323 | - |
dc.description.abstract | In the framework of the Cartan classification of Hamiltonians, a kind of topological classification of Fermi surfaces is established in terms of topological charges. The topological charge of a Fermi surface depends on its codimension and the class to which its Hamiltonian belongs. It is revealed that six types of topological charges exist, and they form two groups with respect to the chiral symmetry, with each group consisting of one original charge and two descendants. It is these nontrivial topological charges which lead to the robust topological protection of the corresponding Fermi surfaces against perturbations that preserve discrete symmetries. © 2013 American Physical Society. | - |
dc.language | eng | en_US |
dc.publisher | American Physical Society. The Journal's web site is located at http://prl.aps.org | en_US |
dc.relation.ispartof | Physical Review Letters | en_US |
dc.rights | Copyright 2013 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevLett.110.240404 | - |
dc.title | Topological Classification and Stability of Fermi Surfaces | en_US |
dc.type | Article | en_US |
dc.identifier.email | Wang, Z: zwang@hkucc.hku.hk | en_US |
dc.identifier.authority | Wang, Z=rp00802 | en_US |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevLett.110.240404 | - |
dc.identifier.pmid | 25165899 | - |
dc.identifier.scopus | eid_2-s2.0-84879098260 | - |
dc.identifier.hkuros | 222557 | en_US |
dc.identifier.hkuros | 244841 | - |
dc.identifier.volume | 110 | en_US |
dc.identifier.issue | 24 | - |
dc.identifier.spage | article no. 240404 | - |
dc.identifier.epage | article no. 240404 | - |
dc.identifier.isi | WOS:000320394700002 | - |
dc.identifier.issnl | 0031-9007 | - |