Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-04-26
Phys.Rev. D64 (2001) 047701
Physics
High Energy Physics
High Energy Physics - Theory
8 pages, LaTeX, corrected minor misprints, references added
Scientific paper
10.1103/PhysRevD.64.047701
We discuss a simplified method for computing trace anomalies in d=6 and d<6 dimensions. It is known that in the quantum mechanical approach trace anomalies in d dimensions are given by a (1+d/2)-loop computation in an auxiliary 1d sigma model with arbitrary geometry. We show how one can obtain the same information using a simpler d/2-loop calculation on an arbitrary geometry supplemented by a (1+d/2)-loop calculation on the simplified geometry of a maximally symmetric space.
Bastianelli Fiorenzo
Hari Dass N. D.
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