Massless Limits of Massive Tensor Fields

Details Massless Limits of Massive Tensor Fields Massless Limits of Massive Tensor Fields

1996-05-13

arxiv.org/abs/hep-th/9605084v1

Prog.Theor.Phys. 96 (1996) 639-652

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 15 pages, uses ptptex.sty and ptp-prep.sty

Scientific paper

10.1143/PTP.96.639

In order to construct a massive tensor theory with a smooth massless limit, we apply two kinds of gauge-fixing procedures, Nakanishi's one and the BRS one, to two models of massive tensor field. The first is of the Fierz-Pauli (FP) type, which describes a pure massive tensor field; the other is of the additional-scalar-ghost (ASG) type, which includes a scalar ghost in addition to an ordinary tensor field. It is shown that Nakanishi's procedure can eliminate massless singularities in both two models, while the BRS procedure regularizes the ASG model only. The BRS-regularized ASG model is most promising in constructing a complete nonlinear theory.

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