The quantum Hall effect in graphene samples and the relativistic Dirac effective action

We study the Euclidean effective action per unit area and the charge density for a Dirac field in a two--dimensional spatial region, in the presence of a uniform magnetic field perpendicular to the 2D--plane, at finite temperature and density. In the limit of zero temperature we reproduce, after per...

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Autores principales: Beneventano, Carlota Gabriela, Giacconi, Paola, Santángelo, Eve Mariel, Soldati, Roberto
Formato: Articulo
Lenguaje:Inglés
Publicado: 2007
Materias:
Física
Graphene
Dirac
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/123925
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-123925
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
Graphene
Dirac
spellingShingle Física
Graphene
Dirac
Beneventano, Carlota Gabriela
Giacconi, Paola
Santángelo, Eve Mariel
Soldati, Roberto
The quantum Hall effect in graphene samples and the relativistic Dirac effective action
topic_facet Física
Graphene
Dirac
description We study the Euclidean effective action per unit area and the charge density for a Dirac field in a two--dimensional spatial region, in the presence of a uniform magnetic field perpendicular to the 2D--plane, at finite temperature and density. In the limit of zero temperature we reproduce, after performing an adequate Lorentz boost, the Hall conductivity measured for different kinds of graphene samples, depending upon the phase choice in the fermionic determinant.
format Articulo
Articulo
author Beneventano, Carlota Gabriela
Giacconi, Paola
Santángelo, Eve Mariel
Soldati, Roberto
author_facet Beneventano, Carlota Gabriela
Giacconi, Paola
Santángelo, Eve Mariel
Soldati, Roberto
author_sort Beneventano, Carlota Gabriela
title The quantum Hall effect in graphene samples and the relativistic Dirac effective action
title_short The quantum Hall effect in graphene samples and the relativistic Dirac effective action
title_full The quantum Hall effect in graphene samples and the relativistic Dirac effective action
title_fullStr The quantum Hall effect in graphene samples and the relativistic Dirac effective action
title_full_unstemmed The quantum Hall effect in graphene samples and the relativistic Dirac effective action
title_sort quantum hall effect in graphene samples and the relativistic dirac effective action
publishDate 2007
url http://sedici.unlp.edu.ar/handle/10915/123925
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