Entanglement hamiltonians in two-dimensional conformal field theory

J Cardy, E Tonni - Journal of Statistical Mechanics: Theory and …, 2016 - iopscience.iop.org
We enumerate the cases in 2d conformal field theory where the logarithm of the reduced
density matrix (the entanglement or modular Hamiltonian) may be written as an integral over …

Entanglement and geometry from subalgebras of the Virasoro algebra

P Caputa, D Ge - Journal of High Energy Physics, 2023 - Springer
A bstract In this work we study families of generalised coherent states constructed from SL
(2, R) subalgebras of the Virasoro algebra in two-dimensional conformal field theories. We …

Entanglement hamiltonian and entanglement contour in inhomogeneous 1D critical systems

E Tonni, J Rodriguez-Laguna… - Journal of Statistical …, 2018 - iopscience.iop.org
Inhomogeneous quantum critical systems in one spatial dimension have been studied by
using conformal field theory in static curved backgrounds. Two interesting examples are the …

Quantum information geometry of driven CFTs

J de Boer, V Godet, J Kastikainen… - Journal of High Energy …, 2023 - Springer
A bstract Driven quantum systems exhibit a large variety of interesting and sometimes exotic
phenomena. Of particular interest are driven conformal field theories (CFTs) which describe …

Scrambling and recovery of quantum information in inhomogeneous quenches in two-dimensional conformal field theories

K Goto, M Nozaki, S Ryu, K Tamaoka, MT Tan - Physical Review Research, 2024 - APS
We study various quantum quench processes induced by the Möbius/sine-square
deformation of the Hamiltonian in two-dimensional conformal field theories starting from the …

Emergent black hole dynamics in critical Floquet systems

B Lapierre, K Choo, C Tauber, A Tiwari, T Neupert… - Physical Review …, 2020 - APS
While driven interacting quantum matter is generically subject to heating and scrambling,
certain classes of systems evade this paradigm. We study such an exceptional class in …

Emergence of curved light-cones in a class of inhomogeneous Luttinger liquids

J Dubail, JM Stéphan, P Calabrese - SciPost Physics, 2017 - scipost.org
The light-cone spreading of entanglement and correlation is a fundamental and ubiquitous
feature of homogeneous extended quantum systems. Here we point out that a class of …

Emergent spatial structure and entanglement localization in Floquet conformal field theory

R Fan, Y Gu, A Vishwanath, X Wen - Physical Review X, 2020 - APS
We study the energy and entanglement dynamics of (1+ 1) D conformal field theories (CFTs)
under a Floquet drive with the sine-square deformed (SSD) Hamiltonian. Previous work has …

Floquet conformal field theories with generally deformed Hamiltonians

R Fan, Y Gu, A Vishwanath, X Wen - SciPost Physics, 2021 - scipost.org
In this work, we study non-equilibrium dynamics in Floquet conformal field theories (CFTs) in
1+ 1D, in which the driving Hamiltonian involves the energy-momentum density spatially …

Periodically, quasiperiodically, and randomly driven conformal field theories

X Wen, R Fan, A Vishwanath, Y Gu - Physical Review Research, 2021 - APS
In this paper and its upcoming sequel, we study nonequilibrium dynamics in driven (1+ 1)-
dimensional conformal field theories (CFTs) with periodic, quasiperiodic, and random …