Axionic Membranes

TL;DR

This paper introduces the concept of axionic membranes, a relativistic extension of soap film systems where a Kalb-Ramond field interacts with a closed string, leading to new membrane configurations.

Contribution

It proposes a novel relativistic model replacing soap films with a Kalb-Ramond gauge potential and explores the resulting membrane-string interactions.

Findings

Introduction of axionic membranes as classical solutions

Extension of Hamilton-Jacobi theory to this system

Description of membrane configurations bounded by strings

Abstract

A metal ring removed from a soap-water solution encloses a film of soap which can be mathematically described as a minimal surface having the ring as its only boundary. This is known to everybody. In this letter we suggest a relativistic extension of the above fluidodynamic system where the soap film is replaced by a Kalb-Ramond gauge potential $\b(x)$ and the ring by a closed string. The interaction between the $\b$-field and the string current excites a new configuration of the system consisting of a relativistic membrane bounded by the string. We call such a classical solution of the equation of motion an axionic membrane. As a dynamical system, the axionic membrane admits a Hamilton-Jacobi formulation which is an extension of the H-J theory of electromagnetic strings.