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A nilpotent symmetry of quantum gauge theories

Amitabha Lahiri

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For the Becchi-Rouet-Stora-Tyutin invariant extended action for any gauge theory, there exists another off-shell nilpotent symmetry. For linear gauges, it can be elevated to a symmetry of the quantum theory and used in the construction of the quantum effective action. Generalizations for nonlinear gauges and actions with higher-order ghost terms are also possible.


PACS

11.15.-q Gauge field theories

11.10.Lm Nonlinear or nonlocal theories and models

11.10.Gh Renormalization

MSC

81T70 Quantization in field theory; cohomological methods (See also 58D29)

81T13 Yang-Mills and other gauge theories (See also 53C07, 58E15)

Subjects

Particle physics and field theory

Dates

Issue 18 (21 September 2001)

Received 3 January 2001, in final form 22 May 2001

Published 5 September 2001



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