An alternative calculation of the Casimir energy for kappa-deformed electrodynamics

TL;DR

This paper presents a straightforward method for calculating regularized Casimir energies in complex frequency spectra, applied specifically to kappa-deformed scalar field theory, yielding results consistent with existing approaches.

Contribution

It introduces a simple, efficient calculation method for Casimir energies applicable to non-trivial spectra, demonstrated on kappa-deformed scalar fields.

Findings

Method is effective for complex spectra

Results align with previous calculations

Applicable to kappa-deformed theories

Abstract

A simple, but effcient way of calculating regularized Casimir energies suitable for non-trivial frequency spectra is briefly described and applied to the case of a kappa-deformed scalar field theory. The results are consistent with the ones obtained by other means.