Title

Evaluating the effective action

Publication Date

2000

Journal or Book Title

FOUNDATIONS OF PHYSICS

Abstract

The use of effective field theory, in situations wherein the energy-momentum of light particles is much lower than the rest mass of heavy degrees of freedom, has become an important one in contemporary physics. Herein we examine various means by which this effective action can be evaluated, using the effective photon–photon interaction—the Euler–Heisenberg Lagrangian—as a pedagogical example.

Comments

The published version is located at http://www.springerlink.com/content/q9l288885377285l/

Pages

413-437

Volume

30

Issue

3

Link to Full Text

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