BRST quantization of relativistic particles on inner product spaces

TL;DR

This paper reviews recent advances in BRST quantization of relativistic particles within inner product spaces, highlighting the connection between operator methods and path integral approaches.

Contribution

It demonstrates how relativistic particle models can be quantized with finite norms and explores the nontrivial relation between different quantization methods.

Findings

Relativistic particle models can be quantized with finite norms.

The relation between operator and path integral methods is complex.

Review of recent BRST quantization results.

Abstract

Recent results of BRST quantization on inner product spaces are reviewed. It is shown how relativistic particle models may be quantized with finite norms and that the relation between the operator method and the conventional path integral treatments is nontrivial.