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Relaxation after quantum quenches in the spin-1/2 Heisenberg XXZ chain
Maurizio Fagotti, Mario Collura, Fabian H. L. Essler +1
We consider the time evolution after quantum quenches in the spin-1/2 Heisenberg XXZ quantum spin chain with Ising-like anisotropy. The time evolution of short-distance spin-spin c…
Stationary entanglement entropies following an interaction quench in 1D Bose gas
Mario Collura, Márton Kormos, Pasquale Calabrese
We analyze the entanglement properties of the asymptotic steady state after a quench from free to hard-core bosons in one dimension. The Rényi and von Neumann entanglement entropie…
Analytic results for a quantum quench from free to hard-core one dimensional bosons
Márton Kormos, Mario Collura, Pasquale Calabrese
It is widely believed that the stationary properties after a quantum quench in integrable systems can be described by a generalized Gibbs ensemble (GGE), even if all the analytical…
Quench dynamics of a Tonks-Girardeau gas released from a harmonic trap
Mario Collura, Spyros Sotiriadis, Pasquale Calabrese
We consider the non-equilibrium dynamics of a gas of impenetrable bosons released from a harmonic trapping potential to a circle. The many body dynamics is solved analytically and…
Entanglement evolution across defects in critical anisotropic Heisenberg chains
Mario Collura, Pasquale Calabrese
We study the out-of-equilibrium time evolution after a local quench connecting two anisotropic spin-1/2 XXZ Heisenberg open chains via an impurity bond. The dynamics is obtained by…
Equilibration of a Tonks-Girardeau gas following a trap release
Mario Collura, Spyros Sotiriadis, Pasquale Calabrese
We study the non-equilibrium dynamics of a Tonks-Girardeau gas released from a parabolic trap to a circle. We present the exact analytic solution of the many body dynamics and prov…