Krylov complexity in Lifshitz-type scalar field theories

MJ Vasli, KB Velni, MRM Mozaffar, A Mollabashi… - The European Physical …, 2024‏ - Springer
We investigate various aspects of the Lanczos coefficients in a family of free Lifshitz scalar
theories, characterized by their integer dynamical exponent, at finite temperature. In this non …

Aspects of pseudoentropy in field theories

A Mollabashi, N Shiba, T Takayanagi, K Tamaoka… - Physical Review …, 2021‏ - APS
In this paper, we explore properties of pseudoentropy in quantum field theories and spin
systems from several approaches. pseudoentropy is a generalization of entanglement …

Some aspects of entanglement wedge cross-section

KB Velni, MR Mohammadi Mozaffar… - Journal of High Energy …, 2019‏ - Springer
A bstract We consider the minimal area of the entanglement wedge cross section (EWCS) in
Einstein gravity. In the context of holography, it is proposed that this quantity is dual to …

Entanglement evolution and generalised hydrodynamics: interacting integrable systems

V Alba, B Bertini, M Fagotti - SciPost Physics, 2019‏ - scipost.org
We investigate the dynamics of bipartite entanglement after the sudden junction of two leads
in interacting integrable models. By combining the quasiparticle picture for the entanglement …

Entanglement spreading in non-equilibrium integrable systems

P Calabrese - SciPost Physics Lecture Notes, 2020‏ - scipost.org
These are lecture notes for a short course given at the Les Houches Summer School
on``Integrability in Atomic and Condensed Matter Physics'', in summer 2018. Here, I …

Pseudo-entropy in free quantum field theories

A Mollabashi, N Shiba, T Takayanagi, K Tamaoka… - Physical Review Letters, 2021‏ - APS
Pseudo-entropy is an interesting quantity with a simple gravity dual, which generalizes
entanglement entropy such that it depends on both an initial and a final state. Here we …

Dynamics of charge imbalance resolved negativity after a global quench in free scalar field theory

HH Chen - Journal of High Energy Physics, 2022‏ - Springer
A bstract In this paper, we consider the time evolution of charge imbalance resolved
negativity after a global quench in the 1+ 1 dimensional complex Klein-Gordon theory. We …

Many-body dynamical phase transition in a quasiperiodic potential

R Modak, D Rakshit - Physical Review B, 2021‏ - APS
Much has been learned regarding dynamical quantum phase transition (DQPT) due to
sudden quenches across quantum critical points in traditional quantum systems. However …

Towards the generalized gravitational entropy for spacetimes with non-Lorentz invariant duals

Q Wen - Journal of High Energy Physics, 2019‏ - Springer
A bstract Based on the Lewkowycz-Maldacena prescription and the fine structure analysis of
holographic entanglement proposed in [1], we explicitly calculate the holographic …

Entanglement wedge cross section growth during thermalization

K Babaei Velni, MR Mohammadi Mozaffar… - Physical Review D, 2023‏ - APS
Motivated by exploring the thermalization process in relativistic and nonrelativistic
holographic field theories after a nonlocal quench, we investigate some features in the time …