3 papers · 1 filter
Extracting conformal data from Loschmidt echoes after critical quenches
Aleix Bou-Comas, Stefano Carignano, Sergio Cerezo-Roquebrún +2
Conformal field theory provides universal predictions for Loschmidt amplitudes following quenches from product states to critical Hamiltonians. Building on this observation, we dev…
Mesoscopic Regimes of Temporal Entanglement in Ergodic Quantum Systems
Sergio Cerezo-Roquebrún, Jan Thorben Schneider, Stefano Carignano +4
We study temporal correlations in interacting quantum systems through the influence functional of a half-infinite quantum Ising chain. Using Rényi entropies and temporal mutual inf…
Spatio-temporal tensor-network approaches to out-of-equilibrium dynamics bridging open and closed systems
Sergio Cerezo-Roquebrún, Aleix Bou-Comas, Jan T. Schneider +3
The study of many-body quantum systems out of equilibrium remains a significant challenge with complexity barriers arising in both state and operator-based representations. In this…