Topological crystalline superconductivity in locally noncentrosymmetric <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>CeRh</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>As</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>
Kosuke Nogaki, Akito Daido, Jun Ishizuka, Youichi Yanase
Abstract
The authors show, by combining the Fermi-surface formula and the first principle calculations, that the high-field superconducting phase of CeRh${}_{2}$As${}_{2}$ is a topological crystalline superconductor.
Topics & Concepts
SuperconductivityCondensed matter physicsTopology (electrical circuits)PhysicsPhase (matter)Materials scienceWork (physics)Theoretical physicsCrystal structureHigh-temperature superconductivityTopological insulatorPhase diagramCrystal (programming language)Field (mathematics)Phase transitionTopological defectRare-earth and actinide compoundsIron-based superconductors researchTopological Materials and Phenomena