Finite-time universality in nonequilibrium CFT

K Gawędzki, E Langmann, P Moosavi - Journal of Statistical Physics, 2018 - Springer
Recently, remarkably simple exact results were presented about the dynamics of heat
transport in the local Luttinger model for nonequilibrium initial states defined by position …

Inhomogeneous conformal field theory out of equilibrium

P Moosavi - Annales Henri Poincaré, 2024 - Springer
We study the non-equilibrium dynamics of conformal field theory (CFT) in 1+ 1 dimensions
with a smooth position-dependent velocity v (x) explicitly breaking translation invariance …

Nonchiral intermediate long-wave equation and interedge effects in narrow quantum Hall systems

BK Berntson, E Langmann, J Lenells - Physical Review B, 2020 - APS
We present a nonchiral version of the intermediate long-wave (ILW) equation that can model
nonlinear waves propagating on two opposite edges of a quantum Hall system, taking into …

Steady states and universal conductance in a quenched Luttinger model

E Langmann, JL Lebowitz, V Mastropietro… - … in Mathematical Physics, 2017 - Springer
We obtain exact analytical results for the evolution of a 1+ 1-dimensional Luttinger model
prepared in a domain wall initial state, ie, a state with different densities on its left and right …

Breaking of Huygens–Fresnel principle in inhomogeneous Tomonaga–Luttinger liquids

M Gluza, P Moosavi, S Sotiriadis - Journal of Physics A …, 2022 - iopscience.iop.org
Abstract Tomonaga–Luttinger liquids (TLLs) can be used to effectively describe one-
dimensional quantum many-body systems such as ultracold atoms, charges in nanowires …

Time evolution of the Luttinger model with nonuniform temperature profile

E Langmann, JL Lebowitz, V Mastropietro, P Moosavi - Physical Review B, 2017 - APS
We study the time evolution of a one-dimensional interacting fermion system described by
the Luttinger model starting from a nonequilibrium state defined by a smooth temperature …

Marginal quenches and drives in Tomonaga-Luttinger liquids

S Datta, B Lapierre, P Moosavi, A Tiwari - SciPost Physics, 2023 - scipost.org
Abstract We study Tomonaga-Luttinger liquids thrown out of equilibrium by marginal
deformations in the form of interaction modulations. This is modeled by quenching or …

Conformal field theory, solitons, and elliptic Calogero–Sutherland models

BK Berntson, E Langmann, J Lenells - Communications in Mathematical …, 2025 - Springer
We construct a non-chiral conformal field theory (CFT) on the torus that accommodates a
second quantization of the elliptic Calogero–Sutherland (eCS) model. We show that the CFT …

Out-of-horizon correlations following a quench in a relativistic quantum field theory

I Kukuljan, S Sotiriadis, G Takács - Journal of High Energy Physics, 2020 - Springer
A bstract One of the manifestations of relativistic invariance in non-equilibrium quantum field
theory is the “horizon effect” aka light-cone spreading of correlations: starting from an initially …

Deformed Calogero-Sutherland model and fractional quantum Hall effect

F Atai, E Langmann - Journal of Mathematical Physics, 2017 - pubs.aip.org
The deformed Calogero-Sutherland (CS) model is a quantum integrable system with
arbitrary numbers of two types of particles and reducing to the standard CS model in special …