Colloquium: Quantum and classical discrete time crystals

MP Zaletel, M Lukin, C Monroe, C Nayak, F Wilczek… - Reviews of Modern …, 2023 - APS
The spontaneous breaking of time-translation symmetry has led to the discovery of a new
phase of matter: the discrete time crystal. Discrete time crystals exhibit rigid subharmonic …

Quantum and classical Floquet prethermalization

WW Ho, T Mori, DA Abanin, EG Dalla Torre - Annals of Physics, 2023 - Elsevier
Time-periodic (Floquet) driving is a powerful way to control the dynamics of complex
systems, which can be used to induce a plethora of new physical phenomena. However …

Complete Hilbert-space ergodicity in quantum dynamics of generalized Fibonacci drives

S Pilatowsky-Cameo, CB Dag, WW Ho, S Choi - Physical Review Letters, 2023 - APS
Ergodicity of quantum dynamics is often defined through statistical properties of energy
eigenstates, as exemplified by Berry's conjecture in single-particle quantum chaos and the …

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 …

Quasi-floquet prethermalization in a disordered dipolar spin ensemble in diamond

G He, B Ye, R Gong, Z Liu, KW Murch, NY Yao, C Zu - Physical Review Letters, 2023 - APS
Floquet (periodic) driving has recently emerged as a powerful technique for engineering
quantum systems and realizing nonequilibrium phases of matter. A central challenge to …

Fermi's golden rule for heating in strongly driven Floquet systems

TN Ikeda, A Polkovnikov - Physical Review B, 2021 - APS
We study heating dynamics in isolated quantum many-body systems driven periodically at
high frequency and large amplitude. Combining the high-frequency expansion for the …

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 …

Periodically and quasiperiodically driven anisotropic Dicke model

P Das, DS Bhakuni, LF Santos, A Sharma - Physical Review A, 2023 - APS
We analyze the anisotropic Dicke model in the presence of a periodic drive and under a
quasiperiodic drive. The study of drive-induced phenomena in this experimentally …

Reconstructing effective Hamiltonians from nonequilibrium (pre-) thermal steady states

S Nandy, M Schmitt, M Bukov, Z Lenarčič - arxiv preprint arxiv …, 2023 - arxiv.org
Reconstructing Hamiltonians from local measurements is key to enabling reliable quantum
simulation: both validating the implemented model, and identifying any left-over terms with …

Heating rates under fast periodic driving beyond linear response

T Mori - Physical review letters, 2022 - APS
Heating under periodic driving is a generic nonequilibrium phenomenon, and it is a
challenging problem in nonequilibrium statistical physics to derive a quantitatively accurate …