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Density form factors of the 1D Bose gas for finite entropy states
Jacopo De Nardis, Miłosz Panfil
We consider the Lieb-Liniger model for a gas of bosonic interacting particles. Using Algebraic Bethe Ansatz results we compute the thermodynamic limit of the form factors of th…
Analytical expression for a post-quench time evolution of the one-body density matrix of one-dimensional hard-core bosons
Jacopo De Nardis, Jean-Sébastien Caux
We apply the logic of the quench action to give an exact analytical expression for the time evolution of the one-body density matrix after an interaction quench in the Lieb-Liniger…
Quench action approach for releasing the Néel state into the spin-1/2 XXZ chain
Michael Brockmann, Bram Wouters, Davide Fioretto +3
The steady state after a quantum quench from the Néel state to the anisotropic Heisenberg model for spin chains is investigated. Two methods that aim to describe the postquench non…
Quenching the Anisotropic Heisenberg Chain: Exact Solution and Generalized Gibbs Ensemble Predictions
Bram Wouters, Jacopo De Nardis, Michael Brockmann +3
We study quenches in integrable spin-1/2 chains in which we evolve the ground state of the antiferromagnetic Ising model with the anisotropic Heisenberg Hamiltonian. For this nontr…
Néel-XXZ state overlaps: odd particle numbers and Lieb-Liniger scaling limit
Michael Brockmann, Jacopo De Nardis, Bram Wouters +1
We specialize a recently-proposed determinant formula for the overlap of the zero-momentum Néel state with Bethe states of the spin-1/2 XXZ chain to the case of an odd number of do…
A Gaudin-like determinant for overlaps of Néel and XXZ Bethe states
Michael Brockmann, Jacopo De Nardis, Bram Wouters +1
We derive a determinant expression for overlaps of Bethe states of the XXZ spin chain with the N{é}el state, the ground state of the system in the antiferromagnetic Ising limit. Ou…