Unquenched—a memoir on non-equilibrium dynamics of quantum many-body systems: honoring Amit Dutta

S Sharma, T Nag, A Rajak, S Bandyopadhyay… - The European Physical …, 2024 - Springer
This short review explores the physics journey of Professor Amit Dutta, illuminating his
collaborative contributions with students and peers. We mainly focus on standard …

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 …

Dynamical relaxation of correlators in periodically driven integrable quantum systems

S Aditya, S Samanta, A Sen, K Sengupta, D Sen - Physical Review B, 2022 - APS
We show that the correlation functions of a class of periodically driven integrable closed
quantum systems approach their steady-state value as n−(α+ 1)/β, where n is the number of …

Periodically driven Rydberg chains with staggered detuning

B Mukherjee, A Sen, K Sengupta - Physical Review B, 2022 - APS
We study the stroboscopic dynamics of a periodically driven finite Rydberg chain with
staggered (Δ) and time-dependent uniform [λ (t)] detuning terms using exact diagonalization …

Hinge-mode dynamics of periodically driven higher-order Weyl semimetals

S Ghosh, K Saha, K Sengupta - Physical Review B, 2022 - APS
We study the stroboscopic dynamics of hinge modes of a second-order topological material
modeled by a tight-binding free fermion Hamiltonian on a cubic lattice in the intermediate …

Emergent conservation in the Floquet dynamics of integrable non-Hermitian models

T Banerjee, K Sengupta - Physical Review B, 2023 - APS
We study the dynamics of a class of integrable non-Hermitian free-fermionic models driven
periodically using a continuous drive protocol characterized by an amplitude g 1 and …

Dynamical localization and slow thermalization in a class of disorder-free periodically driven one-dimensional interacting systems

S Aditya, D Sen - SciPost Physics Core, 2023 - scipost.org
We study if the interplay between dynamical localization and interactions in periodically
driven quantum systems can give rise to anomalous thermalization behavior. Specifically …

Dynamical relaxation behavior of an extended XY chain with a gapless phase following a quantum quench

K Cao, Y Hu, P Tong, G Yang - Physical Review B, 2024 - APS
We investigate the dynamical relaxation behavior of the two-point correlation in extended XY
models with a gapless phase after quenches from various initial states. Specifically, we …

Dynamic generation of nonequilibrium superconducting states in a Kitaev chain

YB Shi, KL Zhang, Z Song - Physical Review B, 2022 - APS
A nonequilibrium state shares macroscopic properties, such as conductivity and
superconductivity, with a static state when the two states exhibit an identical average value …