Heat kernel expansion: user's manual

Details Heat kernel expansion: user's manual Heat kernel expansion: user's manual

2003-06-15

arxiv.org/abs/hep-th/0306138v3

Phys.Rept.388:279-360,2003

Physics

High Energy Physics

High Energy Physics - Theory

113 pp, to be submitted to Phys.Repts, v2: added references and corrected typos

Scientific paper

10.1016/j.physrep.2003.09.002

The heat kernel expansion is a very convenient tool for studying one-loop divergences, anomalies and various asymptotics of the effective action. The aim of this report is to collect useful information on the heat kernel coefficients scattered in mathematical and physical literature. We present explicit expressions for these coefficients on manifolds with and without boundaries, subject to local and non-local boundary conditions, in the presence of various types of singularities (e.g., domain walls). In each case the heat kernel coefficients are given in terms of several geometric invariants. These invariants are derived for scalar and spinor theories with various interactions, Yang-Mills fields, gravity, and open bosonic strings. We discuss the relations between the heat kernel coefficients and quantum anomalies, corresponding anomalous actions, and covariant perturbation expansions of the effective action (both "low-" and "high-energy" ones).

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