Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-12-19
Eur.Phys.J.C20:147-159,2001
Physics
High Energy Physics
High Energy Physics - Theory
24 pages, REVTEX, no figures. Minor corrections
Scientific paper
10.1007/s100520100639
Explicit exact formulas are presented, up to fourth order in a strict chiral covariant derivative expansion, for the normal parity component of the Euclidean effective action of even-dimensional Dirac fermions. The bosonic background fields considered are scalar, pseudo-scalar, vector and axial vector. No assumptions are made on the internal symmetry group and, in particular, the scalar and pseudo-scalar fields need not be on the chiral circle.
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