Derivative expansion of the effective action in Yang-Mills theory
- Department of Applied Mathematics, University of Western Ontario, London, N6A 5B7 (CANADA)
The effective action model for mesons relies on the one-loop effective action in quantum chromodynamics in the presence of a constant background chromoelectric field in a fixed direction in group space. We extend this effective action so as to include those terms quadratic in the first derivate of the field, for both a chromoelectric and chromomagnetic background field. An instability arises in the chromoelectric case. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 530279
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 12 Vol. 55; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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