https://repositorio.ufba.br/handle/ri/7732
Campo DC | Valor | Idioma |
---|---|---|
dc.contributor.author | Malbouisson, Adolfo Pedro Carvalho | - |
dc.contributor.author | Malbouisson, Jorge Mário Carvalho | - |
dc.contributor.author | Santana, Ademir Eugênio de | - |
dc.contributor.author | Silva, J. C. da | - |
dc.creator | Malbouisson, Adolfo Pedro Carvalho | - |
dc.creator | Malbouisson, Jorge Mário Carvalho | - |
dc.creator | Santana, Ademir Eugênio de | - |
dc.creator | Silva, J. C. da | - |
dc.date.accessioned | 2013-01-03T19:25:09Z | - |
dc.date.issued | 2004 | - |
dc.identifier.issn | 0370-2693 | - |
dc.identifier.uri | http://www.repositorio.ufba.br/ri/handle/ri/7732 | - |
dc.description | Texto completo: acesso restrito. p. 373-378 | pt_BR |
dc.description.abstract | We consider the N-components 3-dimensional massive Gross–Neveu model compactified in one spatial direction, the system being constrained to a slab of thickness L. We derive a closed formula for the renormalized L-dependent four-point function at vanishing external momenta in the large-N limit (the effective coupling constant), using bag-model boundary conditions. For values of the fixed coupling constant in absence of boundaries λ λc 19.16, we obtain small-distance asymptotic freedom (for L→0) and a singularity for a length L(c) such that 2.07m −1 <L(c) 2.82m −1, m being the fermionic mass. Taking for m an average of the masses of the quarks composing the proton, we obtain a “confining” length L (c) p which is comparable with an estimated proton diameter. | pt_BR |
dc.language.iso | en | pt_BR |
dc.publisher | Elservier | pt_BR |
dc.source | http://dx.doi.org/10.1016/j.physletb.2003.12.022 | pt_BR |
dc.title | Boundary behaviour of the four-point function in the 3-dimensional Gross–Neveu model | pt_BR |
dc.title.alternative | Physics Letters B | pt_BR |
dc.type | Artigo de Periódico | pt_BR |
dc.identifier.number | v. 583, n. 3-4 | pt_BR |
dc.embargo.liftdate | 10000-01-01 | - |
Aparece nas coleções: | Artigo Publicado em Periódico (FIS) |
Arquivo | Descrição | Tamanho | Formato | |
---|---|---|---|---|
1-s2.0-S0370269303019245-main.pdf Restricted Access | 184,2 kB | Adobe PDF | Visualizar/Abrir Solicitar uma cópia |
Os itens no repositório estão protegidos por copyright, com todos os direitos reservados, salvo quando é indicado o contrário.