Twisted Yangian symmetry of the open Hubbard model
High Energy Physics - Theory
2015-06-19 v2 Strongly Correlated Electrons
Quantum Algebra
Abstract
We show that, in the open Hubbard model with integrable boundary conditions, the bulk Yangian symmetry is broken to a twisted Yangian. We prove that the associated charges commute with the Hamiltonian and the reflection matrix, and that they form a coideal subalgebra.
Keywords
Cite
@article{arxiv.1404.2095,
title = {Twisted Yangian symmetry of the open Hubbard model},
author = {Alejandro De La Rosa Gomez and Niall J. MacKay},
journal= {arXiv preprint arXiv:1404.2095},
year = {2015}
}
Comments
13 pages. Minor revisions and additional references