3 papers
cond-mat.supr-con2025
Observation of a Zero-Field Josephson Diode Effect in a Helimagnet Josephson Junction
Alexander Beach, Mostafa Tanhayi Ahari, Younghyuk Kim +4
We present Josephson junctions with the metallic chiral helimagnet CrNbS as the weak link that exhibit magnetic diffraction patterns with asymmetry in both applied ma…
cond-mat.supr-con2024
Long-range Phase Coherence and Tunable Second Order -Josephson Effect in a Dirac Semimetal
Pranava K. Sivakumar, Mostafa T. Ahari, Jae-Keun Kim +6
Superconducting diode effects have recently attracted much attention for their potential applications in superconducting logic circuits. Several mechanisms such as magneto-chiral e…
cond-mat.supr-con2024
Magnetic-field-free nonreciprocal transport in graphene multi-terminal Josephson junctions
Fan Zhang, Asmaul Smitha Rashid, Mostafa Tanhayi Ahari +6
Nonreciprocal superconducting devices have attracted growing interest in recent years as they potentially enable directional charge transport for applications in superconducting qu…