Hydrodynamics of weak integrability breaking
We review recent progress in understanding nearly integrable models within the framework
of generalized hydrodynamics (GHD). Integrable systems have infinitely many conserved …
of generalized hydrodynamics (GHD). Integrable systems have infinitely many conserved …
Nonequilibrium dynamics and weakly broken integrability
Motivated by dynamical experiments on cold atomic gases, we develop a quantum kinetic
approach to weakly perturbed integrable models out of equilibrium. Using the exact matrix …
approach to weakly perturbed integrable models out of equilibrium. Using the exact matrix …
Large-scale universality in quantum reaction-diffusion from Keldysh field theory
We consider the quantum reaction-diffusion dynamics in d spatial dimensions of a Fermi gas
subject to binary annihilation reactions A+ A→∅. These systems display collective …
subject to binary annihilation reactions A+ A→∅. These systems display collective …
Tunable transport in the mass-imbalanced Fermi-Hubbard model
The late-time dynamics of quantum many-body systems is organized in distinct dynamical
universality classes, characterized by their conservation laws and thus by their emergent …
universality classes, characterized by their conservation laws and thus by their emergent …
Thermalization rates in the one-dimensional Hubbard model with next-to-nearest neighbor hop**
FRA Biebl, S Kehrein - Physical Review B, 2017 - APS
We consider a fermionic Hubbard chain with an additional next-to-nearest neighbor hop**
term. We study the thermalization rates of the quasimomentum distribution function within a …
term. We study the thermalization rates of the quasimomentum distribution function within a …
On the emergence of quantum Boltzmann fluctuation dynamics near a Bose–Einstein condensate
In this work, we study the quantum fluctuation dynamics in a Bose gas on a torus Λ=(LT) 3
that exhibits Bose–Einstein condensation, beyond the leading order Hartree–Fock …
that exhibits Bose–Einstein condensation, beyond the leading order Hartree–Fock …
Thermalization of oscillator chains with onsite anharmonicity and comparison with kinetic theory
We perform microscopic molecular dynamics simulations of particle chains with an onsite
anharmonicity to study relaxation of spatially homogeneous states to equilibrium, and …
anharmonicity to study relaxation of spatially homogeneous states to equilibrium, and …
Numerical scheme for a spatially inhomogeneous matrix-valued quantum Boltzmann equation
We develop an efficient algorithm for a spatially inhomogeneous matrix-valued quantum
Boltzmann equation derived from the Hubbard model. The distribution functions are 2× 2 …
Boltzmann equation derived from the Hubbard model. The distribution functions are 2× 2 …
Global Well‐Posedness of the Spatially Homogeneous Hubbard‐Boltzmann Equation
The Hubbard model is a simplified description for the evolution of interacting spin fermions
on ad‐dimensional lattice. In a kinetic scaling limit, the Hubbard model can be associated …
on ad‐dimensional lattice. In a kinetic scaling limit, the Hubbard model can be associated …
Matrix-valued quantum lattice Boltzmann method
CB Mendl - International Journal of Modern Physics C, 2015 - World Scientific
We devise a lattice Boltzmann method (LBM) for a matrix-valued quantum Boltzmann
equation, with the classical Maxwell distribution replaced by Fermi–Dirac functions. To …
equation, with the classical Maxwell distribution replaced by Fermi–Dirac functions. To …