On a Three-Dimensional Gravity Model with Higher Derivatives

TL;DR

This paper introduces a three-dimensional massive gravity model incorporating higher derivatives and topological terms, analyzing its causality, unitarity, and renormalizability properties.

Contribution

It presents a novel 3D gravity model with higher derivatives and topological terms, exploring its fundamental physical consistency and quantum properties.

Findings

Causality and unitarity are maintained at tree-level.

The model shows potential for power-counting renormalizability.

Insights into the quantum behavior of 3D gravity with higher derivatives.

Abstract

The purpose of this work is to present a model for 3D massive gravity with topological and higher-derivative terms. Causality and unitarity are discussed at tree-level. Power-counting renormalizability is also contemplated.