Current-induced magnetoresistance hysteresis in the kagome superconductor CsV3Sb5
Abstract
We report the observation of current-modulated magnetoresistance hysteresis below the superconducting transition temperature in the kagome superconductor CsV3Sb5. This highly tunable hysteresis behavior is confined to the superconducting state and vanishes when superconductivity is fully suppressed, directly linking magnetoresistance hysteresis to the superconducting order in CsV3Sb5. Additionally, the superconducting diode effect driven by a small magnetic field is observed, indicating the enhanced electronic magnetochiral anisotropy by the chiral domain-wall scattering. Our findings position CsV3Sb5 as a promising platform for exploring nontrivial physical phenomena, including unconventional pairing mechanisms and topological superconductivity.
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