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cond-mat.supr-con2024
Thermodynamic relations for the Cooper pair's momentum in helical superconductors
Koki Shinada, Robert Peters
Two thermodynamic relations are proposed for the exact measurement of the center-of-mass (COM) momentum of the Cooper pairs in helical superconductors. The first relation concerns…
cond-mat.mtrl-sci2024★ 18 cited
Nonlinear Magnetoelectric Effect under Magnetic Octupole Order: Its Application to a -Wave Altermagnet and a Pyrochlore Lattice with All-In/All-Out Magnetic Order
Jun Ōiké, Koki Shinada, Robert Peters
Extensive investigation has recently been conducted into a new class of antiferromagnetic order known as magnetic octupole order. However, the high rank of octupoles makes it diffi…
cond-mat.mtrl-sci2024
Orbital optical activity in noncentrosymmetric metals and superconductors
Koki Shinada, Robert Peters
We present the optical activity induced by the orbital magnetic moment in metals and superconductors using Green's function formalization. We show that an apparent singularity of t…