Low-energy electron-phonon effective action from symmetry analysis
- Autores
- Cabra, Daniel Carlos; Grandi, Nicolás Esteban; Silva, Guillermo Ariel; Sturla, Mauricio
- Año de publicación
- 2013
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Based on a detailed symmetry analysis, we state the general rules to build up the effective low-energy field theory describing a system of electrons weakly interacting with the lattice degrees of freedom. The basic elements in our construction are what we call the ``memory tensors,'' which keep track of the microscopic discrete symmetries into the coarse-grained action. The present approach can be applied to lattice systems in arbitrary dimensions and in a systematic way to any desired order in derivatives. We apply the method to the honeycomb lattice and reobtain the by-now well-known effective action of Dirac fermions coupled to fictitious gauge fields. As a second example, we derive the effective action for electrons in the kagome lattice, where our approach allows us to obtain in a simple way the low-energy electron-phonon coupling terms.
Instituto de Física La Plata - Materia
-
Física
Effective action
Physics
Lattice (order)
Electron
Low energy
Electron phonon
Graphene
Theoretical physics
Dirac fermion
Homogeneous space - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
.jpg)
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/126242
Ver los metadatos del registro completo
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Low-energy electron-phonon effective action from symmetry analysisCabra, Daniel CarlosGrandi, Nicolás EstebanSilva, Guillermo ArielSturla, MauricioFísicaEffective actionPhysicsLattice (order)ElectronLow energyElectron phononGrapheneTheoretical physicsDirac fermionHomogeneous spaceBased on a detailed symmetry analysis, we state the general rules to build up the effective low-energy field theory describing a system of electrons weakly interacting with the lattice degrees of freedom. The basic elements in our construction are what we call the ``memory tensors,'' which keep track of the microscopic discrete symmetries into the coarse-grained action. The present approach can be applied to lattice systems in arbitrary dimensions and in a systematic way to any desired order in derivatives. We apply the method to the honeycomb lattice and reobtain the by-now well-known effective action of Dirac fermions coupled to fictitious gauge fields. As a second example, we derive the effective action for electrons in the kagome lattice, where our approach allows us to obtain in a simple way the low-energy electron-phonon coupling terms.Instituto de Física La Plata2013-07-24info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://sedici.unlp.edu.ar/handle/10915/126242enginfo:eu-repo/semantics/altIdentifier/issn/1098-0121info:eu-repo/semantics/altIdentifier/issn/1550-235Xinfo:eu-repo/semantics/altIdentifier/arxiv/1303.3442info:eu-repo/semantics/altIdentifier/doi/10.1103/physrevb.88.045126info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-22T17:11:10Zoai:sedici.unlp.edu.ar:10915/126242Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-22 17:11:11.057SEDICI (UNLP) - Universidad Nacional de La Platafalse |
| dc.title.none.fl_str_mv |
Low-energy electron-phonon effective action from symmetry analysis |
| title |
Low-energy electron-phonon effective action from symmetry analysis |
| spellingShingle |
Low-energy electron-phonon effective action from symmetry analysis Cabra, Daniel Carlos Física Effective action Physics Lattice (order) Electron Low energy Electron phonon Graphene Theoretical physics Dirac fermion Homogeneous space |
| title_short |
Low-energy electron-phonon effective action from symmetry analysis |
| title_full |
Low-energy electron-phonon effective action from symmetry analysis |
| title_fullStr |
Low-energy electron-phonon effective action from symmetry analysis |
| title_full_unstemmed |
Low-energy electron-phonon effective action from symmetry analysis |
| title_sort |
Low-energy electron-phonon effective action from symmetry analysis |
| dc.creator.none.fl_str_mv |
Cabra, Daniel Carlos Grandi, Nicolás Esteban Silva, Guillermo Ariel Sturla, Mauricio |
| author |
Cabra, Daniel Carlos |
| author_facet |
Cabra, Daniel Carlos Grandi, Nicolás Esteban Silva, Guillermo Ariel Sturla, Mauricio |
| author_role |
author |
| author2 |
Grandi, Nicolás Esteban Silva, Guillermo Ariel Sturla, Mauricio |
| author2_role |
author author author |
| dc.subject.none.fl_str_mv |
Física Effective action Physics Lattice (order) Electron Low energy Electron phonon Graphene Theoretical physics Dirac fermion Homogeneous space |
| topic |
Física Effective action Physics Lattice (order) Electron Low energy Electron phonon Graphene Theoretical physics Dirac fermion Homogeneous space |
| dc.description.none.fl_txt_mv |
Based on a detailed symmetry analysis, we state the general rules to build up the effective low-energy field theory describing a system of electrons weakly interacting with the lattice degrees of freedom. The basic elements in our construction are what we call the ``memory tensors,'' which keep track of the microscopic discrete symmetries into the coarse-grained action. The present approach can be applied to lattice systems in arbitrary dimensions and in a systematic way to any desired order in derivatives. We apply the method to the honeycomb lattice and reobtain the by-now well-known effective action of Dirac fermions coupled to fictitious gauge fields. As a second example, we derive the effective action for electrons in the kagome lattice, where our approach allows us to obtain in a simple way the low-energy electron-phonon coupling terms. Instituto de Física La Plata |
| description |
Based on a detailed symmetry analysis, we state the general rules to build up the effective low-energy field theory describing a system of electrons weakly interacting with the lattice degrees of freedom. The basic elements in our construction are what we call the ``memory tensors,'' which keep track of the microscopic discrete symmetries into the coarse-grained action. The present approach can be applied to lattice systems in arbitrary dimensions and in a systematic way to any desired order in derivatives. We apply the method to the honeycomb lattice and reobtain the by-now well-known effective action of Dirac fermions coupled to fictitious gauge fields. As a second example, we derive the effective action for electrons in the kagome lattice, where our approach allows us to obtain in a simple way the low-energy electron-phonon coupling terms. |
| publishDate |
2013 |
| dc.date.none.fl_str_mv |
2013-07-24 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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http://sedici.unlp.edu.ar/handle/10915/126242 |
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eng |
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eng |
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info:eu-repo/semantics/altIdentifier/issn/1098-0121 info:eu-repo/semantics/altIdentifier/issn/1550-235X info:eu-repo/semantics/altIdentifier/arxiv/1303.3442 info:eu-repo/semantics/altIdentifier/doi/10.1103/physrevb.88.045126 |
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openAccess |
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