3 papers
cond-mat.mtrl-sci2025
Thermodynamic formulation of the spin magnetic octupole moment in bulk crystals
Jun Åiké, Robert Peters, Koki Shinada
The discovery of unconventional antiferromagnets, such as altermagnets, has drawn significant attention to higher-rank magnetic multipoles, particularly magnetic octupoles. Despite…
cond-mat.mtrl-sci2024
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 Åiké, 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.str-el2024
Nonlinear Edelstein Effect in Strongly Correlated Electron Systems
Jun Åiké, Robert Peters
Nonlinear spintronics, which combines nonlinear dynamics and spintronics, opens a new route for controlling spins and spin dynamics beyond conventional spintronics based on linear…