Orbital Fulde-Ferrell-Larkin-Ovchinnikov state in an Ising superconductor
Noah F. Q. Yuan
TL;DR
This paper investigates the orbital Fulde-Ferrell-Larkin-Ovchinnikov state in layered Ising superconductors, revealing its emergence under specific magnetic field and temperature conditions, and aligns theory with recent experimental findings.
Contribution
It introduces a theoretical framework for the orbital FFLO state in finite-layer Ising superconductors and demonstrates agreement with recent experimental data.
Findings
Orbital FFLO state appears at low fields and high temperatures.
Theoretical results match recent experimental observations.
Finite-layer effects influence the critical field behavior.
Abstract
The critical field behavior of a layered Ising superconductor with finite number of layers is studied. Under in-plane magnetic fields, the finite-momentum superconductivity dubbed as the orbital Fulde- Ferrell-Larkin-Ovchinnikov state is found in the regime of low field and high temperature. Our theory agrees well with the experimental results in Nature 619, 46 (2023).
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Taxonomy
TopicsPhysics of Superconductivity and Magnetism · Quantum many-body systems · Theoretical and Computational Physics