Quantum quench in the infinitely repulsive Hubbard model: the stationary state
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Statistical Mechanics: Theory and Experiment"
DOI: 10.1088/1742-5468/aa8c2c
Abstract: We use the Quench Action approach to study the non-equilibrium dynamics after a quantum quench in the Hubbard model in the limit of infinite interaction. We identify a variety of low-entangled initial states for which… read more here.
Keywords: hubbard model; initial states; model; stationary state ... See more keywords
Return amplitude after a quantum quench in the XY chain
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Statistical Mechanics: Theory and Experiment"
DOI: 10.1088/1742-5468/ab3413
Abstract: We determine an exact formula for the transition amplitude between any two arbitrary eigenstates of the local $z$-magnetization operators in the quantum XY chain. We further use this formula to obtain an analytical expression for… read more here.
Keywords: chain; quench chain; amplitude quantum; return amplitude ... See more keywords
Hamiltonian tomography by the quantum quench protocol with random noise
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.104.052431
Abstract: In this article, we introduce a framework for Hamiltonian tomography of multi-qubit systems with random noise. We adopt the quantum quench protocol to reconstruct a many-body Hamiltonian by local measurements that are distorted by random… read more here.
Keywords: random noise; quantum quench; quench protocol; protocol random ... See more keywords
Suppression of the horizon effect in pairing correlation functions of t−J chains after a quantum quench
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.98.013616
Abstract: We investigate the time evolution of density, spin, and pairing correlation functions in one-dimensional $t$-$J$ models following a quantum quench using the time-dependent density matrix renormalization group (tDMRG). While density and spin correlation functions show… read more here.
Keywords: density; correlation; correlation functions; suppression horizon ... See more keywords
Quantum information scrambling after a quantum quench
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.115150
Abstract: How quantum information is scrambled in the global degrees of freedom of non-equilibrium many-body systems is a key question to understand local thermalization. Here we propose that the scaling of the mutual information between two… read more here.
Keywords: quantum information; non integrable; quantum quench; scrambling quantum ... See more keywords
Generalized thermalization for integrable system under quantum quench.
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review E"
DOI: 10.1103/physreve.97.012142
Abstract: We investigate equilibration and generalized thermalization of the quantum Harmonic chain under local quantum quench. The quench action we consider is connecting two disjoint harmonic chains of different sizes and the system jumps between two… read more here.
Keywords: generalized thermalization; system; quench; generalized gibbs ... See more keywords
Quantum Quench and Nonequilibrium Dynamics in Lattice-Confined Spinor Condensates.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.123.113002
Abstract: We present an experimental study on nonequilibrium dynamics of a spinor condensate after it is quenched across a superfluid to Mott insulator (MI) phase transition in cubic lattices. Intricate dynamics consisting of spin-mixing oscillations at… read more here.
Keywords: dynamics lattice; quantum quench; quench nonequilibrium; nonequilibrium dynamics ... See more keywords
Entanglement Negativity and Mutual Information after a Quantum Quench: Exact Link from Space-Time Duality.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.140503
Abstract: 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 space-time duality transformation, we derive an exact, universal relation… read more here.
Keywords: information; time; entanglement negativity; quantum quench ... See more keywords