Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1995-12-09
Class.Quant.Grav. 14 (1997) 367-378
Physics
High Energy Physics
High Energy Physics - Theory
14 pages in LATEX (The version of paper accepted for publication in Class. Quant. Grav.)
Scientific paper
10.1088/0264-9381/14/2/010
We discuss the role of additional local symmetries related to the transformations of connection fields in the affine-metric theory of gravity. The corresponding BRST transformations connected with all symmetries (general coordinate, local Lorentz and extra) are constructed. It is shown, that extra symmetries give the additional contribution to effective action which is proportional to the corresponding Nielsen-Kallosh ghost one. Some arguments are given, that there is no anomaly associated with extra local symmetries.
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