The Berry curvature and quantum metric are the imaginary part and real part, respectively, of
the quantum geometric tensor, which characterizes the topology of quantum states. The …

Three mechanisms are known to contribute to second-order nonlinear current: Extrinsic
nonlinear Drude, Berry curvature dipole, and intrinsic Berry connection polarizability. Here …

The quantum geometry has significant consequences in determining transport and optical
properties in quantum materials. Here, we use a semiclassical formalism coupled with …

The quantum metric is a central quantity of band theory but has so far not been related to
many response coefficients due to its nonclassical origin. However, within a newly …

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 …

In ap–n junction, the separation of positive and negative charges leads to diode transport, in
which charge flows in only one direction. Non-centrosymmetric polar conductors are intrinsic …

Among antiferromagnetic materials, Mn 2 Au is one of the most intensively studied, and it
serves as a very popular platform for testing various ideas related to antiferromagnetic …

The nonlinear current to second-order in the electric field is known to originate from three
different physical mechanisms: extrinsic i) nonlinear Drude and ii) Berry curvature dipole …

It has been known that the semiclassical and the response theories can equivalently give
the Drude and the intrinsic anomalous Hall conductivities in the linear order of electric field …

The Berry curvature and quantum metric are the imaginary part and real part, respectively, of
the quantum geometric tensor which characterizes the topology of quantum states. The …