31 citations · 149 across the 13 of their papers we have counts for
13 papers
Orbital-related gyrotropic responses in CuWSe and chirality indicator
Kazuki Nakazawa, Terufumi Yamaguchi, Ai Yamakage
In recent years, counterparts of phenomena studied in spintronics have been actively explored in the orbital sector. The relationship between orbital degrees of freedom and crystal…
Observation of the nonlinear chiral thermoelectric Hall effect in tellurium
Tetsuya Nomoto, Akiko Kikkawa, Kazuki Nakazawa +2
The nonlinear thermoelectric effect is a key factor for realising unconventional thermoelectric phenomena, such as heat rectification and power generation using thermal fluctuation…
Theory of Nonlinear Hall Effect Induced by Electric Field and Temperature Gradient in 3D Chiral Magnetic Textures
Terufumi Yamaguchi, Kazuki Nakazawa, Ai Yamakage
We investigate the current proportional to the cross product of an electric field and a temperature gradient, which we call the Nonlinear Chiral Thermo-Electric (NCTE) Hall effect,…
Nonlinear charge and thermal transport properties induced by orbital magnetic moment in chiral crystal cobalt monosilicide
Kazuki Nakazawa, Terufumi Yamaguchi, Ai Yamakage
The existence of exotic singularities in momentum space, such as spin-1 excitations and Rarita-Schwinger-Weyl (RSW) fermions, has been discussed so far to explore unique phenomena…
Nonlinear charge transport properties in chiral tellurium
Kazuki Nakazawa, Terufumi Yamaguchi, Ai Yamakage
Extensive research has focused on phenomena arising from the chirality of crystalline or magnetic structures. Recently, we have proposed the "Nonlinear Chiral Thermo-Electric (NCTE…
Microscopic Theory of Nonlinear Hall Effect Induced by Electric Field and Temperature Gradient
Terufumi Yamaguchi, Kazuki Nakazawa, Ai Yamakage
Electric current flows parallel to the outer product of an applied electric field and temperature gradient, a phenomenon we call the nonlinear chiral thermo-electric (NCTE) Hall ef…
Computational capability for physical reservoir computing using a spin-torque oscillator with two free layers
Terufumi Yamaguchi, Sumito Tsunegi, Kohei Nakajima +1
A numerical analysis on the computational capability of physical reservoir computing utilizing a spin-torque oscillator with two free layers is reported. Conventional spintronics d…
Theory of Magnetic-Texture-Induced Anomalous Hall Effect on the Surface of Topological Insulators
Terufumi Yamaguchi, Ai Yamakage
The anomalous Hall effect is caused by magnetic textures such as skyrmions. We derive an analytical formula of the Hall conductivity on the surface of a topological insulator up to…
Step-like dependence of memory function on pulse width in spintronics reservoir computing
Terufumi Yamaguchi, Nozomi Akashi, Kohei Nakajima +3
Physical reservoir computing is a type of recurrent neural network that applies the dynamical response from physical systems to information processing. However, the relation betwee…
Periodic structure of memory function in spintronics reservoir with feedback current
Terufumi Yamaguchi, Nozomi Akashi, Sumito Tsunegi +3
The role of the feedback effect on physical reservoir computing is studied theoretically by solving the vortex-core dynamics in a nanostructured ferromagnet. Although the spin-tran…
Phase estimation of spin-torque oscillator by nonlinear spin-torque diode effect
Terufumi Yamaguchi, Sumito Tsunegi, Tomohiro Taniguchi
A theoretical analysis is developed on spin-torque diode effect in nonlinear region. An analytical solution of the diode voltage generated from spin-torque oscillator by the rectif…
Synchronization and chaos in a spin-torque oscillator with a perpendicularly magnetized free layer
Terufumi Yamaguchi, Nozomi Akashi, Kohei Naka jima +3
Synchronization and chaos caused by alternating current and microwave field in a spin torque oscillator consisting of a perpendicularly magnetized free layer and an in-plane magnet…
Microscopic theory of magnon-drag electron flow in ferromagnetic metals
Terufumi Yamaguchi, Hiroshi Kohno, Rembert A. Duine
A temperature gradient applied to a ferromagnetic metal induces not only independent flows of electrons and magnons but also drag currents because of their mutual interaction. In t…