Equilibration and order in quantum Floquet matter

R Moessner, SL Sondhi - Nature Physics, 2017 - nature.com
Equilibrium thermodynamics is characterized by two fundamental ideas: thermalization—
that systems approach a late time thermal state; and phase structure—that thermal states …

Analytic approaches to periodically driven closed quantum systems: methods and applications

A Sen, D Sen, K Sengupta - Journal of Physics: Condensed …, 2021 - iopscience.iop.org
We present a brief overview of some of the analytic perturbative techniques for the
computation of the Floquet Hamiltonian for a periodically driven, or Floquet, quantum many …

Probing the role of long-range interactions in the dynamics of a long-range Kitaev chain

A Dutta, A Dutta - Physical Review B, 2017 - APS
We study the role of long-range interactions (more precisely, the long-range
superconducting gap term) on the nonequilibrium dynamics considering a long-range p …

Quantum dynamics with stochastic reset

B Mukherjee, K Sengupta, SN Majumdar - Physical Review B, 2018 - APS
We study nonequilibrium dynamics of integrable and nonintegrable closed quantum
systems whose unitary evolution is interrupted with stochastic resets, characterized by a …

Out-of-time-order correlations and Floquet dynamical quantum phase transition

S Zamani, R Jafari, A Langari - Physical Review B, 2022 - APS
Out-of-time-order correlators (OTOCs) progressively play an important role in different fields
of physics, particularly in the nonequilibrium quantum many-body systems. In this paper, we …

Driving enhanced quantum sensing in partially accessible many-body systems

U Mishra, A Bayat - Physical Review Letters, 2021 - APS
The ground-state criticality of many-body systems is a resource for quantum-enhanced
sensing, namely, the Heisenberg precision limit, provided that one has access to the whole …

Mobility edge and multifractality in a periodically driven Aubry-André model

M Sarkar, R Ghosh, A Sen, K Sengupta - Physical Review B, 2021 - APS
We study the localization-delocalization transition of Floquet eigenstates in a driven
fermionic chain with an incommensurate Aubry-André potential and a hopping amplitude …

Krylov complexity and Trotter transitions in unitary circuit dynamics

P Suchsland, R Moessner, PW Claeys - arXiv preprint arXiv:2308.03851, 2023 - arxiv.org
We investigate many-body dynamics where the evolution is governed by unitary circuits
through the lens ofKrylov complexity', a recently proposed measure of complexity and …

Dynamical relaxation behaviors of a critical quench

YT Zou, C Ding - Physical Review B, 2023 - APS
We study the universal dynamical relaxation behaviors of a quantum XY chain following a
quench, paying special attention to the case in which the initial state is a critical ground …

Out-of-Time-Order correlators in driven conformal field theories

S Das, B Ezhuthachan, A Kundu, S Porey… - Journal of High Energy …, 2022 - Springer
A bstract We compute Out-of-Time-Order correlators (OTOCs) for conformal field theories
(CFTs) subjected to either continuous or discrete periodic drive protocols. This is achieved …