Regularisation of functional determinants using boundary perturbations

Details Regularisation of functional determinants using boundary perturbations Regularisation of functional determinants using boundary perturbations

1995-09-20

arxiv.org/abs/cond-mat/9509126v1

J.Phys. A28 (1995) 6931-6942

Physics

Condensed Matter

Scientific paper

10.1088/0305-4470/28/23/032

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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