Critical couplings for chiral symmetry breaking via instantons

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dc.creatorRoux, F. S.
dc.date2000-03-07
dc.date2000-03-23
dc.date.accessioned2026-07-07T03:40:54Z
dc.date.available2026-07-07T03:40:54Z
dc.descriptionUsing an instanton effective action formalism, we compute the critical coupling for the nonperturbative formation of a dynamical mass via instantons in non-Abelian gauge theories with N_f massless fermions. Only continuous phase transitions are considered. For large values of N_f the critical couplings are found to be much smaller than the equivalent critical couplings obtained from gauge exchange calculations in the ladder approximation.
dc.description11 pages, 3 figures, signs and i's corrected
dc.identifierhttps://arxiv.org/abs/hep-ph/0003059
dc.identifierhttp://arxiv.org/abs/hep-ph/0003059
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/39438
dc.subjectHigh Energy Physics - Phenomenology
dc.titleCritical couplings for chiral symmetry breaking via instantons
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