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arXiv · 1405.6553

Quantum quenches with integrable pre-quench dynamics

Gesualdo Delfino
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Abstract

We consider the unitary time evolution of a one-dimensional quantum system which is in a stationary state for negative times and then undergoes a sudden change (quench) of a parameter of its Hamiltonian at t=0. For systems possessing a continuum limit described by a massive quantum field theory we investigate in general perturbative quenches for the case in which the theory is integrable before the quench.

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Gesualdo Delfino. 2014-05-26. Quantum quenches with integrable pre-quench dynamics. https://doi.org/10.1088/1751-8113/47/40/402001

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