Random quantum circuits

MPA Fisher, V Khemani, A Nahum… - Annual Review of …, 2023 - annualreviews.org
Quantum circuits—built from local unitary gates and local measurements—are a new
playground for quantum many-body physics and a tractable setting to explore universal …

Roadmap on Atomtronics: State of the art and perspective

L Amico, M Boshier, G Birkl, A Minguzzi… - AVS Quantum …, 2021 - pubs.aip.org
Atomtronics deals with matter-wave circuits of ultracold atoms manipulated through
magnetic or laser-generated guides with different shapes and intensities. In this way, new …

Generalized-hydrodynamic approach to inhomogeneous quenches: correlations, entanglement and quantum effects

V Alba, B Bertini, M Fagotti, L Piroli… - Journal of Statistical …, 2021 - iopscience.iop.org
We give a pedagogical introduction to the generalized hydrodynamic approach to
inhomogeneous quenches in integrable many-body quantum systems. We review recent …

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 …

Entanglement dynamics after quantum quenches in generic integrable systems

V Alba, P Calabrese - SciPost Physics, 2018 - scipost.org
The time evolution of the entanglement entropy in non-equilibrium quantum systems
provides crucial information about the structure of the time-dependent state. For quantum …

Lack of symmetry restoration after a quantum quench: an entanglement asymmetry study

F Ares, S Murciano, E Vernier, P Calabrese - SciPost Physics, 2023 - scipost.org
We consider the quantum quench in the XX spin chain starting from a tilted Néel state which
explicitly breaks the $ U (1) $ symmetry of the post-quench Hamiltonian. Very surprisingly …

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 …

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 …

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 …

Structure constants in = 4 SYM at finite coupling as worldsheet g-function

Y Jiang, S Komatsu, E Vescovi - Journal of High Energy Physics, 2020 - Springer
A bstract We develop a novel nonperturbative approach to a class of three-point functions in
planar\(\mathcal {N}\)= 4 SYM based on Thermodynamic Bethe Ansatz (TBA). More …