Orbital Fulde-Ferrell State versus Orbital Larkin-Ovchinnikov State

TL;DR

This paper investigates orbital FFLO states using mean-field theory, revealing distinct layer polarization and vortex structures, and explores their phase diagrams and unique physical properties.

Contribution

It provides a detailed analysis of orbital FFLO states, highlighting their unique symmetry-breaking features and physical properties, which were not thoroughly studied before.

Findings

Orbital FF state is layer-polarized with broken inversion symmetry.

Orbital LO state forms a Josephson vortex array with reduced translation symmetry.

Distinct phase diagrams and physical effects differentiate FF and LO states.

Abstract

Orbital Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) states are analyzed within mean-field theory, where orbital FF state is layer-polarized with inversion symmetry broken, while orbital LO state is Josephson vortex array with translation symmetry reduced. Phase diagrams of orbital FFLO states are obtained, and properties such as induced orders, superconducting diode effects, Fraunhofer pattern and topological defects are studied for the probe of FF versus LO states.