DeWitt-Schwinger Renormalization of <φ²> in d Dimensions
classification
🌀 gr-qc
keywords
dewitt-schwingerdimensionsrenormalizationcalculationscompactderivedeveneven-dimensional
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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.
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