One of the intriguing properties characteristic to three-dimensional topological materials is
the topological magnetoelectric phenomena arising from a topological term called the θ …

It is known that intrinsic currents in magnetic metals often appear in the direction
perpendicular to the external field for linear and nonlinear responses. Distinct from three …

Luttinger's theorem connects a basic microscopic property of a given metallic crystalline
material, the number of electrons per unit cell, to the volume, enclosed by its Fermi surface …

The linear behavior of thermal transport has been widely explored, both theoretically and
experimentally. On the other hand, the nonlinear thermal response has not been fully …

We investigate the effect of band geometric quantities on nonlinear magnetoresistivity, which
dictates the quadratic dependence of the nonlinear voltage generated by the applied …

Exciton valley Hall effect is the spatial separation of the valley-tagged excitons by a drag
force. Usually, the effect is associated with the anomalous velocity acquired by the particles …

We investigate the second-order nonlinear electronic thermal transport induced by the
temperature gradient. We develop the quantum kinetic theory framework to describe thermal …

A theory of the valley and spin Hall effects and resulting accumulation of the valley and spin
polarization is developed for ultraclean channels made of two-dimensional semiconductors …

Valley Hall effect is an appearance of the valley current in the direction transverse to the
electric current. We develop the microscopic theory of the valley Hall effect in two …

We present the microscopic theory of the spin Nernst effect, which is a transverse spin
current directly induced by a temperature gradient, employing the linear response theory …