Vacuum energies and multipole interactions

TL;DR

This paper develops a quantum-field-theoretical framework to analyze interactions between stationary, localized external sources and bosonic fields, including multipole distributions on D-dimensional branes, extending previous models.

Contribution

It introduces a comprehensive quantum-field-theoretical approach for multipole interactions with scalar and Maxwell fields, broadening the scope of prior models.

Findings

Provides a detailed description of multipole interactions in quantum fields.

Extends previous models to include higher-multipole distributions on branes.

Offers insights into the interaction mechanisms between external sources and bosonic fields.

Abstract

In this paper, we present a quantum-field-theoretical description of the interaction between stationary and localized external sources linearly coupled to bosonic fields (specifically, we study models with a scalar and the Maxwell field). We consider external sources that simulate not only point charges but also higher-multipole distributions along D-dimensional branes. Our results complement the ones previously obtained in reference [1].