Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1996-11-13
Phys.Rev. D55 (1997) 6292-6298
Physics
High Energy Physics
High Energy Physics - Theory
RevTeX file, 7 pages
Scientific paper
10.1103/PhysRevD.55.6292
We demonstrate how a Lorentz covariant formulation of the chiral p-form model in D=2(p+1) containing infinitely many auxiliary fields is related to a Lorentz covariant formulation with only one auxiliary scalar field entering a chiral p-form action in a nonpolynomial way. The latter can be regarded as a consistent Lorentz-covariant truncation of the former. We make the Hamiltonian analysis of the model based on the nonpolynomial action and show that the Dirac constraints have a simple form and are all of the first class. In contrast to the Siegel model the constraints are not the square of second-class constraints. The canonical Hamiltonian is quadratic and determines energy of a single chiral p-form. In the case of d=2 chiral scalars the constraint can be improved by use of `twisting' procedure (without the loss of the property to be of the first class) in such a way that the central charge of the quantum constraint algebra is zero. This points to possible absence of anomaly in an appropriate quantum version of the model.
Pasti Paolo
Sorokin Dmitri
Tonin Mario
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