On quantum model of supergravity compensator

TL;DR

This paper introduces a new superfield model for N=1 supergravity in four dimensions, analyzing its renormalization, infrared behavior, and effective action at one-loop level.

Contribution

It proposes a novel superfield model for supergravity and studies its renormalization structure and infrared properties, providing explicit calculations of one-loop counterterms and effective action.

Findings

The model is infrared free.

One-loop counterterms are explicitly calculated.

Effective action in the infrared domain is analyzed.

Abstract

A new $N=1$ superfield model in $D=4$ flat superspace is suggested. This model describes dynamics of chiral compensator and can be treated as a low-energy limit of $D=4$, $N=1$ quantum superfield supergravity. Renormalization structure of this model is studied and one-loop counterterms are calculated. It is shown that the theory is infrared free. An effective action for the model under consideration is investigated in infrared domain. The lower contributions to the one-loop effective action are computed in explicit form.