Giant nonreciprocal magnetotransport in bulk trigonal superconductor <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>PbTa</mml:mi><mml:msub><mml:mi>Se</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>
Toshiya Ideue, Shota Koshikawa, Hiromasa Namiki, T. Sasagawa, Yoshihiro Iwasa
Abstract
This paper investigates the bulk rectification effect under out-of-plane magnetic field in a noncentrosymmetric three-dimensioanl superconductor PbTaSe${}_{2}$. The authors show a giant enhancement of the nonreciprocal magnetotransport during the superconducting transition and a sign reversal.
Topics & Concepts
SuperconductivityCondensed matter physicsTrigonal crystal systemMagnetic fieldPhysicsMaterials scienceCrystallographyChemistryQuantum mechanicsCrystal structurePhysics of Superconductivity and MagnetismTopological Materials and PhenomenaIron-based superconductors research