Analytic approaches to periodically driven closed quantum systems: methods and applications
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 …
computation of the Floquet Hamiltonian for a periodically driven, or Floquet, quantum many …
The quantum Ising chain for beginners
We present here various techniques to work with clean and disordered quantum Ising
chains, for the benefit of students and non-experts. Starting from the Jordan-Wigner …
chains, for the benefit of students and non-experts. Starting from the Jordan-Wigner …
Periodic steady regime and interference in a periodically driven quantum system
We study the coherent dynamics of a quantum many-body system subject to a time-periodic
driving. We argue that in many cases, destructive interference in time makes most of the …
driving. We argue that in many cases, destructive interference in time makes most of the …
Dynamics of the vacuum state in a periodically driven Rydberg chain
We study the dynamics of a periodically driven Rydberg chain starting from the state with
zero Rydberg excitations (vacuum state denoted by| 0〉) using a square pulse protocol in …
zero Rydberg excitations (vacuum state denoted by| 0〉) using a square pulse protocol in …
Onset of Floquet thermalization
In the presence of interactions, a closed, homogeneous (disorder-free) many-body system is
believed to generically heat up to an “infinite temperature” ensemble when subjected to a …
believed to generically heat up to an “infinite temperature” ensemble when subjected to a …
Dynamical freezing and scar points in strongly driven floquet matter: Resonance vs emergent conservation laws
We consider a clean quantum system subject to strong periodic driving. The existence of a
dominant energy scale, h D x, can generate considerable structure in an effective …
dominant energy scale, h D x, can generate considerable structure in an effective …
Mobility edge and multifractality in a periodically driven Aubry-André model
We study the localization-delocalization transition of Floquet eigenstates in a driven
fermionic chain with an incommensurate Aubry-André potential and a hop** amplitude …
fermionic chain with an incommensurate Aubry-André potential and a hop** amplitude …
Prethermal fragmentation in a periodically driven fermionic chain
We study a fermionic chain with nearest-neighbor hop** and density-density interactions,
where the nearest-neighbor interaction term is driven periodically. We show that such a …
where the nearest-neighbor interaction term is driven periodically. We show that such a …
Emergent symmetries in prethermal phases of periodically driven quantum systems
T Banerjee, K Sengupta - Journal of Physics: Condensed Matter, 2025 - iopscience.iop.org
Periodically driven closed quantum systems are expected to eventually heat up to infinite
temperature; reaching a steady state described by a circular orthogonal ensemble …
temperature; reaching a steady state described by a circular orthogonal ensemble …
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 …
(CFTs) subjected to either continuous or discrete periodic drive protocols. This is achieved …