Domain Walls in Superfluid 3He-B

TL;DR

This paper investigates the properties of domain walls in superfluid 3He-B, calculating their profiles and energies, and discusses their relevance to superfluid behavior in confined geometries.

Contribution

It provides detailed calculations of order parameter profiles and free energies for different domain wall types in superfluid 3He-B, advancing understanding of their structure and stability.

Findings

Calculated order parameter profiles for domain walls.

Determined free energy differences between domain wall types.

Discussed implications for superfluid 3He confined between surfaces.

Abstract

We consider domain walls between regions of superfluid 3He-B in which one component of the order parameter has the opposite sign in the two regions far from one another. We report calculations of the order parameter profile and the free energy for two types of domain wall, and discuss how these structures are relevant to superfluid 3He confined between two surfaces.