Microscopic origin of the quantum Mpemba effect in integrable systems

C Rylands, K Klobas, F Ares, P Calabrese… - Physical Review Letters, 2024 - APS
The highly complicated nature of far from equilibrium systems can lead to a complete
breakdown of the physical intuition developed in equilibrium. A famous example of this is the …

Nonequilibrium full counting statistics and symmetry-resolved entanglement from space-time duality

B Bertini, P Calabrese, M Collura, K Klobas… - Physical Review Letters, 2023 - APS
Owing 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 …

Temporal entanglement in chaotic quantum circuits

A Foligno, T Zhou, B Bertini - Physical Review X, 2023 - APS
The concept of space evolution (or space-time duality) has emerged as a promising
approach for studying quantum dynamics. The basic idea involves exchanging the roles of …

Exact quench dynamics of symmetry resolved entanglement in a free fermion chain

G Parez, R Bonsignori… - Journal of Statistical …, 2021 - iopscience.iop.org
The study of the entanglement dynamics plays a fundamental role in understanding the
behaviour of many-body quantum systems out of equilibrium. In the presence of a globally …

Exact quench dynamics of the Floquet quantum East model at the deterministic point

B Bertini, C De Fazio, JP Garrahan, K Klobas - Physical Review Letters, 2024 - APS
We study the nonequilibrium dynamics of the Floquet quantum East model (a Trotterized
version of the kinetically constrained quantum East spin chain) at its “deterministic point,” …

Growth of Rényi entropies in interacting integrable models and the breakdown of the quasiparticle picture

B Bertini, K Klobas, V Alba, G Lagnese, P Calabrese - Physical Review X, 2022 - APS
Rényi entropies are conceptually valuable and experimentally relevant generalizations of
the celebrated von Neumann entanglement entropy. After a quantum quench in a clean …

Integrable spin chains and cellular automata with medium-range interaction

T Gombor, B Pozsgay - Physical Review E, 2021 - APS
We study integrable spin chains and quantum and classical cellular automata with
interaction range ℓ≥ 3. This is a family of integrable models for which there was no general …

Dynamics of charge-imbalance-resolved entanglement negativity after a quench in a free-fermion model

G Parez, R Bonsignori… - Journal of Statistical …, 2022 - iopscience.iop.org
The presence of a global internal symmetry in a quantum many-body system is reflected in
the fact that the entanglement between its subparts is endowed with an internal structure …

Entanglement negativity and mutual information after a quantum quench: exact link from space-time duality

B Bertini, K Klobas, TC Lu - Physical Review Letters, 2022 - APS
We study the growth of entanglement between two adjacent regions in a tripartite, one-
dimensional many-body system after a quantum quench. Combining a replica trick with a …

Dynamics of charge fluctuations from asymmetric initial states

B Bertini, K Klobas, M Collura, P Calabrese, C Rylands - Physical Review B, 2024 - APS
Conserved-charge densities are very special observables in quantum many-body systems
as, by construction, they encode information about the dynamics. Therefore, their evolution …