Absence of nontrivial local conserved quantities in the quantum compass model on the square lattice
Statistical Mechanics
2026-04-13 v1 Mathematical Physics
math.MP
Quantum Physics
Abstract
By extending the method developed by Shiraishi, we prove that the quantum compass model on the square lattice does not possess any local conserved quantities except for the Hamiltonian itself.
Keywords
Cite
@article{arxiv.2502.10791,
title = {Absence of nontrivial local conserved quantities in the quantum compass model on the square lattice},
author = {Mahiro Futami and Hal Tasaki},
journal= {arXiv preprint arXiv:2502.10791},
year = {2026}
}
Comments
15 pages, 2 figures