733 citations · 5.2k across the 119 of their papers we have counts for
18 papers · 1 filter
Clean two-dimensional Floquet time-crystal
Alessandro Santini, Giuseppe E. Santoro, Mario Collura
We consider the two-dimensional quantum Ising model, in absence of disorder, subject to periodic imperfect global spin flips. We show by a combination of exact diagonalization and…
Optimal working point in digitized quantum annealing
Glen Bigan Mbeng, Luca Arceci, Giuseppe E. Santoro
We present a study of the digitized Quantum Annealing protocol proposed by R. Barends et al., Nature 534, 222 (2016). Our analysis, performed on the benchmark case of a transverse…
Projective quantum Monte Carlo simulations guided by unrestricted neural network states
E. M. Inack, G. E. Santoro, L. Dell'Anna +1
We investigate the use of variational wave-functions that mimic stochastic recurrent neural networks, specifically, unrestricted Boltzmann machines, as guiding functions in project…
Thermolubricity and the Jarzynski equality
Franco Pellegrini, Emanuele Panizon, Giuseppe Santoro +1
We discuss and qualify a previously unnoticed connection between two different phenomena in the physics of nanoscale friction, general in nature and also met in experiments includi…
How to calculate quantum quench distributions with a weighted Wang-Landau Monte Carlo
Simone Ziraldo, Giuseppe E. Santoro
We present here an extension of the Wang-Landau Monte Carlo method which allows us to get very accurate estimates of the full probability distributions of several observables after…
Thermalization in a periodically driven fully-connected quantum Ising ferromagnet
Angelo Russomanno, Rosario Fazio, Giuseppe E. Santoro
By means of a Floquet analysis, we study the quantum dynamics of a fully connected Lipkin-Ising ferromagnet in a periodically driven transverse field showing that thermalization in…
Many-body localization and thermalization in the full probability distribution function of observables
Elena Canovi, Davide Rossini, Rosario Fazio +2
We investigate the relation between thermalization following a quantum quench and many-body localization in quasiparticle space in terms of the long-time full distribution function…
Periodic steady state and interference in a periodically driven quantum system
Angelo Russomanno, Alessandro Silva, Giuseppe E. Santoro
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 qua…
Applicability of the generalized Gibbs ensemble after a quench in the quantum Ising chain
Tommaso Caneva, Elena Canovi, Davide Rossini +2
We investigate the out-of-equilibrium dynamics of the one-dimensional quantum Ising model after a sudden quench of the transverse magnetic field. While for a translationally invari…
Quantum Quenches, Thermalization and Many-Body Localization
Elena Canovi, Davide Rossini, Rosario Fazio +2
We conjecture that thermalization following a quantum quench in a strongly correlated quantum system is closely connected to many-body delocalization in the space of quasi-particle…
Long time dynamics following a quench in an integrable quantum spin chain: local versus non-local operators and effective thermal behavior
Davide Rossini, Sei Suzuki, Giuseppe Mussardo +2
We study the dynamics of the quantum Ising chain following a zero-temperature quench of the transverse field strength. Focusing on the behavior of two-point spin correlation functi…
Density of kinks after a sudden quench in the quantum Ising spin chain
Sei Suzuki, Davide Rossini, Giuseppe E. Santoro
We investigate the time evolution of the density of kinks in the spin-1/2 quantum Ising spin chain after a sudden quench in the transverse field strength, and find that it relaxes…
Calculating Thermodynamics Properties of Quantum Systems by a non-Markovian Monte Carlo Procedure
Yanier Crespo, Alessandro Laio, Giuseppe E. Santoro +1
We present a history-dependent Monte Carlo scheme for the efficient calculation of the free-energy of quantum systems, inspired by the Wang-Landau sampling and metadynamics method.…
Adiabatic dynamics in a spin-1 chain with uniaxial single-spin anisotropy
Elena Canovi, Davide Rossini, Rosario Fazio +1
We study the adiabatic quantum dynamics of an anisotropic spin-1 XY chain across a second order quantum phase transition. The system is driven out of equilibrium by performing a qu…
Adiabatic dynamics of a quantum critical system coupled to an environment: Scaling and kinetic equation approaches
Dario Patanè, Alessandro Silva, Luigi Amico +2
We study the dynamics of open quantum many-body systems driven across a critical point by quenching an Hamiltonian parameter at a certain velocity. General scaling laws are derived…
Effective thermal dynamics following a quantum quench in a spin chain
Davide Rossini, Alessandro Silva, Giuseppe Mussardo +1
We study the nonequilibrium dynamics of the Quantum Ising Model following an abrupt quench of the transverse field. We focus on the on-site autocorrelation function of the order pa…
Adiabatic quantum dynamics of the Lipkin-Meshkov-Glick model
Tommaso Caneva, Rosario Fazio, Giuseppe E. Santoro
The adiabatic quantum evolution of the Lipkin-Meshkov-Glick (LMG) model across its quantum critical point is studied. The dynamics is realized by linearly switching the transverse…
Adiabatic dynamics in open quantum critical many-body systems
Dario Patanè, Alessandro Silva, Luigi Amico +2
The purpose of this work is to understand the effect of an external environment on the adiabatic dynamics of a quantum critical system. By means of scaling arguments we derive a ge…