Dynamics of entanglement entropy of interacting fermions in a 1D driven harmonic trap
Quantum Gases
2018-04-18 v1 Statistical Mechanics
High Energy Physics - Lattice
Abstract
Following up on a recent analysis of two cold atoms in a time-dependent harmonic trap in one dimension, we explore the entanglement entropy of two and three fermions in the same situation when driven through a parametric resonance. We find that the presence of such a resonance in the two-particle system leaves a clear imprint on the entanglement entropy. We show how the signal is modified by attractive and repulsive contact interactions, and how it remains present for the three-particle system. Additionaly, we extend the work of recent experiments to demonstrate how restricting observation to a limited subsystem gives rise to locally thermal behavior.
Keywords
Cite
@article{arxiv.1709.09981,
title = {Dynamics of entanglement entropy of interacting fermions in a 1D driven harmonic trap},
author = {J. R. McKenney and W. J. Porter and J. E. Drut},
journal= {arXiv preprint arXiv:1709.09981},
year = {2018}
}
Comments
Proceedings of Lattice2017, Granada, Spain