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Quantum Quench in a Harmonically Trapped One-Dimensional Bose Gas
Mario Collura, Márton Kormos, Pasquale Calabrese
We study the non-equilibrium dynamics of a one-dimensional Bose gas trapped by a harmonic potential for a quench from zero to infinite interaction. The different thermodynamic limi…
Analytic solution of the Domain Wall non-equilibrium stationary state
Mario Collura, Andrea De Luca, Jacopo Viti
We consider the out-of-equilibrium dynamics generated by joining two domains with arbitrary opposite magnetisations. We study the stationary state which emerges by the unitary evol…
Full counting statistics in the spin-1/2 Heisenberg XXZ chain
Mario Collura, Fabian H. L. Essler, Stefan Groha
The spin-1/2 Heisenberg chain exhibits a quantum critical regime characterized by quasi long-range magnetic order at zero temperature. We quantify the strength of quantum fluctuati…
Transport in out-of-equilibrium XXZ chains: non-ballistic behavior and correlation functions
Lorenzo Piroli, Jacopo De Nardis, Mario Collura +2
We consider the nonequilibrium protocol where two semi-infinite gapped XXZ chains, initially prepared in different equilibrium states, are suddenly joint together. At large times,…
Quenches from gaussian bosons to Tonks-Girardeau gas: stationary states and effects of a confining potential
Alvise Bastianello, Mario Collura, Spyros Sotiriadis
We consider the general problem of quenching an interacting Bose gas from the noninteracting regime to the strong repulsive case described by the Tonks-Girardeau limit, with the in…