Absence of nontrivial local conserved quantities in the quantum compass model on the square lattice

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.

Authors

Hal Tasaki (ORCID: https://orcid.org/0000-0002-0883-4232)
Mahiro Futami (ORCID: https://orcid.org/0009-0002-4392-9197)

Institutions

Gakushuin University (JP)

Publication Details

Journal: Journal of Mathematical Physics
Published: 2025-11-01
DOI: https://doi.org/10.1063/5.0268742
Primary Topic: Quantum many-body systems
Type: article
Field-Weighted Citation Impact: 0.00

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article

Absence of nontrivial local conserved quantities in the quantum compass model on the square lattice

Hal Tasaki, Mahiro Futami

Nov 1, 2025

Journal of Mathematical Physics

Quantum many-body systems

article

Absence of nontrivial local conserved quantities in the quantum compass model on the square lattice

Hal Tasaki, Mahiro Futami

November 1, 2025article en

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.

Journal of Mathematical PhysicsVol. 66(11)

Gakushuin University (JP)

Openalex Percentile: Top 72%

Quantum many-body systems

DOI Source OpenAlex

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