# Chern–Simons–Schrödinger theory on a one-dimensional lattice

@article{Huh2019ChernSimonsSchrdingerTO,
title={Chern–Simons–Schr{\"o}dinger theory on a one-dimensional lattice},
author={Hyungjin Huh and S. Manzur Hussain and Dmitry E. Pelinovsky},
journal={Letters in Mathematical Physics},
year={2019},
pages={1-24}
}
• Published 3 October 2019
• Mathematics
• Letters in Mathematical Physics
We propose a gauge-invariant system of the Chern–Simons–Schrödinger type on a one-dimensional lattice. By using the spatial gauge condition, we prove local and global well-posedness of the initial-value problem in the space of square summable sequences for the scalar field. We also study the existence region of the stationary bound states, which depends on the lattice spacing and the nonlinearity power. A major difficulty in the existence problem is related to the lack of variational…

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