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Integrable Digital Quantum Simulation: Generalized Gibbs Ensembles and Trotter Transitions
Eric Vernier, Bruno Bertini, Giuliano Giudici +1
The Trotter-Suzuki decomposition is a promising avenue for digital quantum simulation (DQS), approximating continuous-time dynamics by discrete Trotter steps of duration . Recen…
Nonequilibrium Full Counting Statistics and Symmetry-Resolved Entanglement from Space-Time Duality
Bruno Bertini, Pasquale Calabrese, Mario Collura +2
Due to its probabilistic nature, a measurement process in quantum mechanics produces a distribution of possible outcomes. This distribution - or its Fourier transform known as full…
Solution of the BEC to BCS Quench in One Dimension
Colin Rylands, Pasquale Calabrese, Bruno Bertini
A gas of interacting fermions confined in a quasi one-dimensional geometry shows a BEC to BCS crossover upon slowly driving its coupling constant through a confinement-induced reso…
Growth of entanglement of generic states under dual-unitary dynamics
Alessandro Foligno, Bruno Bertini
Dual-unitary circuits are a class of locally-interacting quantum many-body systems displaying unitary dynamics also when the roles of space and time are exchanged. These systems ha…
Integrable quenches in the Hubbard model
Colin Rylands, Bruno Bertini, Pasquale Calabrese
We study the quench dynamics of the one-dimensional Hubbard model through the Quench Action formalism. We introduce a class of integrable initial states -- expressed as product sta…
Growth of Rényi Entropies in Interacting Integrable Models and the Breakdown of the Quasiparticle Picture
Bruno Bertini, Katja Klobas, Vincenzo Alba +2
Rényi entropies are conceptually valuable and experimentally relevant generalisations of the celebrated von Neumann entanglement entropy. After a quantum quench in a clean quantum…