Functional Determinants for Radially Separable Partial Differential Operators

Functional determinants of differential operators play a prominent role in many fields of theoretical and mathematical physics, ranging from condensed matter physics, to atomic, molecular and particle physics. They are, however, difficult to compute reliably in non-trivial cases. In one dimensional...

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Main Author: G. V. Dunne
Format: Article
Language:English
Published: CTU Central Library 2007-01-01
Series:Acta Polytechnica
Subjects:
Online Access:https://ojs.cvut.cz/ojs/index.php/ap/article/view/916
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author G. V. Dunne
author_facet G. V. Dunne
author_sort G. V. Dunne
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description Functional determinants of differential operators play a prominent role in many fields of theoretical and mathematical physics, ranging from condensed matter physics, to atomic, molecular and particle physics. They are, however, difficult to compute reliably in non-trivial cases. In one dimensional problems (i.e. functional determinants of ordinary differential operators), a classic result of Gel’fand and Yaglom greatly simplifies the computation of functional determinants. Here I report some recent progress in extending this approach to higher dimensions (i.e., functional determinants of partial differential operators), with applications in quantum field theory.
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spelling doaj.art-4057013d2e0943eda4420efa3dae7b5f2022-12-22T02:40:02ZengCTU Central LibraryActa Polytechnica1210-27091805-23632007-01-01472-3916Functional Determinants for Radially Separable Partial Differential OperatorsG. V. DunneFunctional determinants of differential operators play a prominent role in many fields of theoretical and mathematical physics, ranging from condensed matter physics, to atomic, molecular and particle physics. They are, however, difficult to compute reliably in non-trivial cases. In one dimensional problems (i.e. functional determinants of ordinary differential operators), a classic result of Gel’fand and Yaglom greatly simplifies the computation of functional determinants. Here I report some recent progress in extending this approach to higher dimensions (i.e., functional determinants of partial differential operators), with applications in quantum field theory.https://ojs.cvut.cz/ojs/index.php/ap/article/view/916quantum field theoryfunctional determinantszeta functionsspectral theorypartial differential operators
spellingShingle G. V. Dunne
Functional Determinants for Radially Separable Partial Differential Operators
Acta Polytechnica
quantum field theory
functional determinants
zeta functions
spectral theory
partial differential operators
title Functional Determinants for Radially Separable Partial Differential Operators
title_full Functional Determinants for Radially Separable Partial Differential Operators
title_fullStr Functional Determinants for Radially Separable Partial Differential Operators
title_full_unstemmed Functional Determinants for Radially Separable Partial Differential Operators
title_short Functional Determinants for Radially Separable Partial Differential Operators
title_sort functional determinants for radially separable partial differential operators
topic quantum field theory
functional determinants
zeta functions
spectral theory
partial differential operators
url https://ojs.cvut.cz/ojs/index.php/ap/article/view/916
work_keys_str_mv AT gvdunne functionaldeterminantsforradiallyseparablepartialdifferentialoperators