# Physical quantities and arbitrariness in resolving quantum master equation

## TL;DR

This paper explores how physical invariants and arbitrariness in solving the quantum master equation influence the field-antifield quantization, including both Abelian and non-Abelian gauge fixings.

## Contribution

It introduces a perspective linking physical invariants to arbitrariness in the quantum master equation within the field-antifield formalism.

## Key findings

- Clarifies the role of physical (BRST invariant) factors in path integrals.
- Analyzes gauge fixing procedures in both Abelian and non-Abelian cases.
- Highlights the impact of arbitrariness on quantization consistency.

## Abstract

By proceeding with the idea that the presence of physical (BRST invariant) extra factors in the path integral is equivalent to taking into account explicitly the arbitrariness in resolving the quantum master equation, we consider the field-antifield quantization procedure both with the Abelian and the non-Abelian gauge fixing.