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Regularisation of functional determinants using boundary perturbations

A J McKane·M B Tarlie
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Abstract

The formalism which has been developed to give general expressions for the determinants of differential operators is extended to the physically interesting situation where these operators have a zero mode which has been extracted. In the approach adopted here, this mode is removed by a novel regularisation procedure, which allows remarkably simple expressions for these determinants to be derived.

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A J McKane, M B Tarlie. 1995-09-20. Regularisation of functional determinants using boundary perturbations. https://doi.org/10.1088/0305-4470%2F28%2F23%2F032

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