Application of symbol-operator technique for effective action computation

Abstract

In the present talk we briefly demonstrate an elegant and effective technique for calculation of the trace expansion in the derivatives of background fields. One of main advantages of the technique is manifestly (super)symmetrical and gauge invariant form of expressions on all stages of calculations. Other advantage is the universality of the calculation method. Some particular examples and results are presented.

11 pages, LaTex, Extended version of the talk given at the Fifth Workshop on Quantum Field Theory under the Influence of External Conditions, Leipzig, 10-15 Sept. 2001

References in corpus (3)

• Covariant technique of derivative expansion of one-loop effective action
• Symplectic areas, quantization, and dynamics in electromagnetic fields
• Deformation in Phase Space

Cited by in corpus (2)

• The method of covariant symbols in curved space-time
• Gradient expansion of the non-Abelian gauge-covariant Moyal star-product