Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry

Autores
Arrachea, Liliana del Carmen; Aligia, Armando Angel
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We consider a natural generalization of the lattice model for a periodic array of two layers, A and B , of spinless electrons proposed by Fu [Phys. Rev. Lett. 106, 106802 (2011)] as a prototype for a crystalline insulator. This model has time-reversal symmetry and broken inversion symmetry. We show that when the intralayer next-nearest-neighbor hoppings t a 2 , a = A , B vanish, this model supports a Weyl semimetal phase for a wide range of the remaining model parameters. When the effect of t a 2 is considered, topological crystalline insulating phases take place within the Weyl semimetal one. By mapping to an effective Weyl Hamiltonian we derive some analytical results for the phase diagram as well as for the structure of the nodes in the spectrum of the Weyl semimetal.
Fil: Arrachea, Liliana del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
Fil: Aligia, Armando Angel. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Area de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Materia
Crystalline Insulator
Weyl Semimetal
Topological Phases
Phase Diagram
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/18071
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetryArrachea, Liliana del CarmenAligia, Armando AngelCrystalline InsulatorWeyl SemimetalTopological PhasesPhase Diagramhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We consider a natural generalization of the lattice model for a periodic array of two layers, A and B , of spinless electrons proposed by Fu [Phys. Rev. Lett. 106, 106802 (2011)] as a prototype for a crystalline insulator. This model has time-reversal symmetry and broken inversion symmetry. We show that when the intralayer next-nearest-neighbor hoppings t a 2 , a = A , B vanish, this model supports a Weyl semimetal phase for a wide range of the remaining model parameters. When the effect of t a 2 is considered, topological crystalline insulating phases take place within the Weyl semimetal one. By mapping to an effective Weyl Hamiltonian we derive some analytical results for the phase diagram as well as for the structure of the nodes in the spectrum of the Weyl semimetal.Fil: Arrachea, Liliana del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; ArgentinaFil: Aligia, Armando Angel. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Area de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaAmerican Physical Society2014-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/18071Arrachea, Liliana del Carmen; Aligia, Armando Angel; Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry; American Physical Society; Physical Review B: Condensed Matter And Materials Physics; 90; 12; 9-2014; 1-7; 1251011098-0121enginfo:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.90.125101info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.90.125101info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1406.4553info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:59:36Zoai:ri.conicet.gov.ar:11336/18071instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 14:59:37.246CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry
title Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry
spellingShingle Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry
Arrachea, Liliana del Carmen
Crystalline Insulator
Weyl Semimetal
Topological Phases
Phase Diagram
title_short Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry
title_full Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry
title_fullStr Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry
title_full_unstemmed Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry
title_sort Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry
dc.creator.none.fl_str_mv Arrachea, Liliana del Carmen
Aligia, Armando Angel
author Arrachea, Liliana del Carmen
author_facet Arrachea, Liliana del Carmen
Aligia, Armando Angel
author_role author
author2 Aligia, Armando Angel
author2_role author
dc.subject.none.fl_str_mv Crystalline Insulator
Weyl Semimetal
Topological Phases
Phase Diagram
topic Crystalline Insulator
Weyl Semimetal
Topological Phases
Phase Diagram
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We consider a natural generalization of the lattice model for a periodic array of two layers, A and B , of spinless electrons proposed by Fu [Phys. Rev. Lett. 106, 106802 (2011)] as a prototype for a crystalline insulator. This model has time-reversal symmetry and broken inversion symmetry. We show that when the intralayer next-nearest-neighbor hoppings t a 2 , a = A , B vanish, this model supports a Weyl semimetal phase for a wide range of the remaining model parameters. When the effect of t a 2 is considered, topological crystalline insulating phases take place within the Weyl semimetal one. By mapping to an effective Weyl Hamiltonian we derive some analytical results for the phase diagram as well as for the structure of the nodes in the spectrum of the Weyl semimetal.
Fil: Arrachea, Liliana del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
Fil: Aligia, Armando Angel. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Area de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
description We consider a natural generalization of the lattice model for a periodic array of two layers, A and B , of spinless electrons proposed by Fu [Phys. Rev. Lett. 106, 106802 (2011)] as a prototype for a crystalline insulator. This model has time-reversal symmetry and broken inversion symmetry. We show that when the intralayer next-nearest-neighbor hoppings t a 2 , a = A , B vanish, this model supports a Weyl semimetal phase for a wide range of the remaining model parameters. When the effect of t a 2 is considered, topological crystalline insulating phases take place within the Weyl semimetal one. By mapping to an effective Weyl Hamiltonian we derive some analytical results for the phase diagram as well as for the structure of the nodes in the spectrum of the Weyl semimetal.
publishDate 2014
dc.date.none.fl_str_mv 2014-09
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/18071
Arrachea, Liliana del Carmen; Aligia, Armando Angel; Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry; American Physical Society; Physical Review B: Condensed Matter And Materials Physics; 90; 12; 9-2014; 1-7; 125101
1098-0121
url http://hdl.handle.net/11336/18071
identifier_str_mv Arrachea, Liliana del Carmen; Aligia, Armando Angel; Unveiling a crystalline topological insulator in a Weyl semimetal with time-reversal symmetry; American Physical Society; Physical Review B: Condensed Matter And Materials Physics; 90; 12; 9-2014; 1-7; 125101
1098-0121
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.90.125101
info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.90.125101
info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1406.4553
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.22299

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