Foundations and applications of quantum kinetic theory

Y Hidaka, S Pu, Q Wang, DL Yang - Progress in Particle and Nuclear …, 2022 - Elsevier
Many novel quantum phenomena emerge in non-equilibrium relativistic quantum matter
under extreme conditions such as strong magnetic fields and rotations. The quantum kinetic …

Anomalous chiral transports and spin polarization in heavy-ion collisions

YC Liu, XG Huang - Nuclear Science and Techniques, 2020 - Springer
Relativistic heavy-ion collisions create hot quark–gluon plasma as well as very strong
electromagnetic (EM) and fluid vortical fields. The strong EM field and vorticity can induce …

Derivation of the nonlocal collision term in the relativistic Boltzmann equation for massive spin- particles from quantum field theory

N Weickgenannt, E Speranza, X Sheng, Q Wang… - Physical Review D, 2021 - APS
We derive the Boltzmann equation and the collision kernel for massive spin-1/2 particles,
using the Wigner-function formalism and employing an expansion in powers of ℏ. The …

Generating spin polarization from vorticity through nonlocal collisions

N Weickgenannt, E Speranza, X Sheng, Q Wang… - Physical review …, 2021 - APS
We derive the collision term in the Boltzmann equation using the equation of motion for the
Wigner function of massive spin-1/2 particles. To next-to-lowest order in ℏ, it contains a …

From Kadanoff-Baym to Boltzmann equations for massive spin- fermions

XL Sheng, N Weickgenannt, E Speranza, DH Rischke… - Physical Review D, 2021 - APS
We derive Boltzmann equations for massive spin-1/2 fermions with local and nonlocal
collision terms from the Kadanoff-Baym equation in the Schwinger-Keldysh formalism …

Axial kinetic theory and spin transport for fermions with arbitrary mass

K Hattori, Y Hidaka, DL Yang - Physical Review D, 2019 - APS
We derive a quantum kinetic theory for fermions with arbitrary mass in a background
electromagnetic field using a Wigner-function approach. Since spin of massive fermions is a …

Effective quantum kinetic theory for spin transport of fermions with collsional effects

DL Yang, K Hattori, Y Hidaka - Journal of High Energy Physics, 2020 - Springer
A bstract We systematically derive the collision term for the axial kinetic theory, a quantum
kinetic theory delineating the coupled dynamics of the vector/axial charges and spin …

Chiral kinetic theory in curved spacetime

YC Liu, LL Gao, K Mameda, XG Huang - Physical Review D, 2019 - APS
Many-body systems with chiral fermions exhibit anomalous transport phenomena originated
from quantum anomalies. Based on quantum field theory, we derive the kinetic theory for …

Spin tensor and pseudo-gauges: from nuclear collisions to gravitational physics

E Speranza, N Weickgenannt - The European physical journal A, 2021 - Springer
The relativistic treatment of spin is a fundamental subject which has an old history. In various
physical contexts it is necessary to separate the relativistic total angular momentum into an …

Covariant spin kinetic theory I: collisionless limit

YC Liu, K Mameda, XG Huang - Chinese Physics C, 2020 - iopscience.iop.org
We develop a covariant kinetic theory for massive fermions in a curved spacetime and an
external electromagnetic field based on quantum field theory. We derive four coupled semi …