5 papers
Charge-spin conversion in altermagnets: electronic anisotropy versus magnon-mediated spin drag
Koki Mizuno
Altermagnets acquire a momentum-dependent spin splitting without net magnetization or spin-orbit coupling. This raises the question of whether the transport anisotropy originates i…
High-harmonic spin-current signatures of altermagnetic spin-group symmetry
Koki Mizuno
Spin point groups classify magnetic phases in the weak spin-orbit coupling regime and characterize the static properties of altermagnetic phases, but their dynamical consequences r…
Nonlocal transport phenomena in coupled quasiperiodic Kitaev chains
Koki Mizuno
We investigate the topological phases in a coupled one-dimensional p-wave superconducting Fibonacci quasicrystal modeled by the quasiperiodic Kitaev chain. Recent studies have show…
AC/DC spin current in ferromagnet/superconductor/normal metal trilayer systems
Koki Mizuno, Hirone Ishida, Manato Teranishi
Spin pumping with superconductors has been extensively studied, particularly in double-layer systems. In this study, we investigate spin pumping in a trilayer system comprising a f…
Magnon-mediated superconductivity on ferromagnetic wallpaper fermions
Koki Mizuno, Ai Yamakage
We study two-dimensional superconductivity mediated by magnetic fluctuations at the interface between a ferromagnetic insulator and the nonsymmorphic topological crystalline insula…