79 citations · 683 across the 67 of their papers we have counts for
3 papers · 1 filter
Implications of a New Effective Chiral Meson Lagrangian
Alexander A. Osipov, Marcos Sampaio, Brigitte Hiller
Based on a recently derived effective chiral meson Lagrangian from the extended SU(2)\otimes SU(2) Nambu -- Jona-Lasinio (ENJL) model, in the linear realization of chiral symmetry,…
Large Mass Invariant Asymptotics of the Effective Action
Alexander A. Osipov, Brigitte Hiller
We study the large mass asymptotics of the Dirac operator with a nondegenerate mass matrix m={diag}(m_1,m_2,m_3) in the presence of scalar and pseudoscalar background fields taking…
Inverse Mass Expansion of the One-Loop Effective Action
Alexander A. Osipov, Brigitte Hiller
A method is described for the development of the one-loop effective action expansion as an asymptotic series in inverse powers of the fermion mass. The method is based on the Schwi…