Ward identities and chiral anomalies for coupled fermionic chains

Coupledfermionicchainsareusuallydescribedbyaneffectivemodelwritteninterms of bonding and anti-bonding fermionic fields with linear dispersion in the vicinities therespectiveFermipoints.WederiveforthefirsttimeexactWardIdentities(WI) for this model, proving the existence of chiral anomalies which verify...

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Principais autores: Ferraz Filho, Álvaro, Costa, L. C., Mastropietro, Vieri
Formato: article
Idioma:English
Publicado em: AIP Publishing
Assuntos:
Chiral anomalies
Fermionic chains
Endereço do item:https://repositorio.ufrn.br/jspui/handle/123456789/29369
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spelling ri-123456789-293692020-06-28T07:40:44Z Ward identities and chiral anomalies for coupled fermionic chains Ferraz Filho, Álvaro Costa, L. C. Mastropietro, Vieri Chiral anomalies Fermionic chains Coupledfermionicchainsareusuallydescribedbyaneffectivemodelwritteninterms of bonding and anti-bonding fermionic fields with linear dispersion in the vicinities therespectiveFermipoints.WederiveforthefirsttimeexactWardIdentities(WI) for this model, proving the existence of chiral anomalies which verify the AdlerBardeen non-renormalization property. Such WI are expected to play a crucial role in the understanding of the thermodynamic properties of the system. Our results are non-perturbative and are obtained analyzing Grassmann functional integrals by means of constructive quantum field theory methods. C 2013 AIP Publishing LLC. 2020-06-26T01:11:51Z 2020-06-26T01:11:51Z 2013-12-10 article COSTA, L. C.; FERRAZ FILHO, Alvaro; MASTROPIETRO, Vieri. Ward identities and chiral anomalies for coupled fermionic chains. Journal Of Mathematical Physics, [s. l.], v. 54, n. 12, p. 121901-121920, dez. 2013. AIP Publishing. ISSN 1089-7658 versão online. DOI http://dx.doi.org/10.1063/1.4839416. Disponível em: https://aip.scitation.org/doi/10.1063/1.4839416. Acesso em: 25 jun. 2020. 0022-2488 (print), 1089-7658 (online) https://repositorio.ufrn.br/jspui/handle/123456789/29369 10.1063/1.4839416 en application/pdf AIP Publishing
institution Repositório Institucional
collection RI - UFRN
language English
topic Chiral anomalies
Fermionic chains
spellingShingle Chiral anomalies
Fermionic chains
Ferraz Filho, Álvaro
Costa, L. C.
Mastropietro, Vieri
Ward identities and chiral anomalies for coupled fermionic chains
description Coupledfermionicchainsareusuallydescribedbyaneffectivemodelwritteninterms of bonding and anti-bonding fermionic fields with linear dispersion in the vicinities therespectiveFermipoints.WederiveforthefirsttimeexactWardIdentities(WI) for this model, proving the existence of chiral anomalies which verify the AdlerBardeen non-renormalization property. Such WI are expected to play a crucial role in the understanding of the thermodynamic properties of the system. Our results are non-perturbative and are obtained analyzing Grassmann functional integrals by means of constructive quantum field theory methods. C 2013 AIP Publishing LLC.
format article
author Ferraz Filho, Álvaro
Costa, L. C.
Mastropietro, Vieri
author_facet Ferraz Filho, Álvaro
Costa, L. C.
Mastropietro, Vieri
author_sort Ferraz Filho, Álvaro
title Ward identities and chiral anomalies for coupled fermionic chains
title_short Ward identities and chiral anomalies for coupled fermionic chains
title_full Ward identities and chiral anomalies for coupled fermionic chains
title_fullStr Ward identities and chiral anomalies for coupled fermionic chains
title_full_unstemmed Ward identities and chiral anomalies for coupled fermionic chains
title_sort ward identities and chiral anomalies for coupled fermionic chains
publisher AIP Publishing
publishDate 2020
url https://repositorio.ufrn.br/jspui/handle/123456789/29369
work_keys_str_mv AT ferrazfilhoalvaro wardidentitiesandchiralanomaliesforcoupledfermionicchains
AT costalc wardidentitiesandchiralanomaliesforcoupledfermionicchains
AT mastropietrovieri wardidentitiesandchiralanomaliesforcoupledfermionicchains
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