Interband coherence response to electric fields in crystals: Berry-phase contributions and disorder effects
In solid state conductors, linear response to a steady electric field is normally dominated by
Bloch state occupation number changes that are correlated with group velocity and lead to a …
Bloch state occupation number changes that are correlated with group velocity and lead to a …
Quantum kinetic theory of the chiral anomaly
We present a general quantum kinetic theory of low-field magnetotransport in weakly
disordered crystals that accounts fully for the interplay between electric-field-induced …
disordered crystals that accounts fully for the interplay between electric-field-induced …
Anomalous hall effect
N Nagaosa, J Sinova, S Onoda, AH MacDonald… - Reviews of modern …, 2010 - APS
The anomalous Hall effect (AHE) occurs in solids with broken time-reversal symmetry,
typically in a ferromagnetic phase, as a consequence of spin-orbit coupling. Experimental …
typically in a ferromagnetic phase, as a consequence of spin-orbit coupling. Experimental …
Semiclassical response of disordered conductors: Extrinsic carrier velocity and spin and field-corrected collision integral
RB Atencia, Q Niu, D Culcer - Physical Review Research, 2022 - APS
The semiclassical equations of motion are widely used to describe carrier transport in
conducting materials. Nevertheless, the substantial challenge of incorporating disorder …
conducting materials. Nevertheless, the substantial challenge of incorporating disorder …
Violation of Ohm's law in a Weyl metal
D Shin, Y Lee, M Sasaki, YH Jeong, F Weickert… - Nature materials, 2017 - nature.com
Ohm's law is a fundamental paradigm in the electrical transport of metals. Any transport
signatures violating Ohm's law would give an indisputable fingerprint for a novel metallic …
signatures violating Ohm's law would give an indisputable fingerprint for a novel metallic …
Inequivalent Berry phases for the bulk polarization
H Watanabe, M Oshikawa - Physical Review X, 2018 - APS
We discuss the characterization of the polarization for insulators under the periodic
boundary condition in terms of the Berry phase, clarifying confusing subtleties. For band …
boundary condition in terms of the Berry phase, clarifying confusing subtleties. For band …
Wave-packet dynamics in slowly perturbed crystals: Gradient corrections and Berry-phase effects
G Sundaram, Q Niu - Physical Review B, 1999 - APS
We present a unified theory for wave-packet dynamics of electrons in crystals subject to
perturbations varying slowly in space and time. We derive the wave-packet energy up to the …
perturbations varying slowly in space and time. We derive the wave-packet energy up to the …
Orbital magnetization in crystalline solids: Multi-band insulators, Chern insulators, and metals
We derive a multi-band formulation of the orbital magnetization in a normal periodic
insulator (ie, one in which the Chern invariant, or in two dimensions (2D) the Chern number …
insulator (ie, one in which the Chern invariant, or in two dimensions (2D) the Chern number …
Coherent wave-packet evolution in coupled bands
We develop a formalism for treating coherent wave-packet dynamics of charge and spin
carriers in degenerate and nearly degenerate bands. We consider the two-band case …
carriers in degenerate and nearly degenerate bands. We consider the two-band case …
Berry phase effects on electronic properties
D Xiao, MC Chang, Q Niu - Reviews of modern physics, 2010 - APS
Ever since its discovery the notion of Berry phase has permeated through all branches of
physics. Over the past three decades it was gradually realized that the Berry phase of the …
physics. Over the past three decades it was gradually realized that the Berry phase of the …