2 papers
cond-mat.str-el2026
Magnetic toroidal monopoles from relativistic polarization responses to magnetic field gradients
Taisei Yamanaka, Takumi Sato, Satoru Hayami
The magnetic toroidal monopole, a time-reversal-odd scalar, has attracted attention through its characteristic responses, such as electric-field-induced nonreciprocal directional d…
cond-mat.str-el2024
Nonlinear nonreciprocal electronic conductivity driven by magnetic field gradients
Taisei Yamanaka, Yoshihiko Ihara, Satoru Hayami
We theoretically propose the emergence of nonlinear nonreciprocal conductivity in centrosymmetric paramagnetic systems when a spatially gradient magnetic field is externally applie…