DeWitt-Schwinger Renormalization of $<\phi^2>$ in $d$ Dimensions

TL;DR

This paper derives a compact DeWitt-Schwinger renormalization formula for calculating the expectation values of $\

Contribution

It provides a new, simplified expression for renormalization terms in even-dimensional space-times, facilitating calculations of quantum field expectation values.

Findings

Derived a compact formula for renormalization in even dimensions

Enables easier computation of $\

Applicable to calculations of $\

Abstract

A compact expression for the DeWitt-Schwinger renormalization terms suitable for use in even-dimensional space-times is derived. This formula should be useful for calculations of $<\phi^2(x)>$ and $<T_{\mu\nu}(x)>$ in even dimensions.