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Showing 2014 · math-phShow all
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math-ph2014★ 5 cited
Expansion of Infinite Series Containing Modified Bessel Functions of the Second Kind
Guglielmo Fucci, Klaus Kirsten
The aim of this work is to analyze general infinite sums containing modified Bessel functions of the second kind. In particular we present a method for the construction of a proper…
math-ph2014★ 22 cited
QFT over the finite line. Heat kernel coefficients, spectral zeta functions and selfadjoint extensions
J. M. Munoz-Castaneda, Klaus Kirsten, M. Bordag
Following the seminal works of Asorey-Ibort-Marmo and Muñoz-Castañeda-Asorey about selfadjoint extensions and quantum fields in bounded domains, we compute all the heat kernel coef…