Mahiro Futami

(二見真拓)

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Affiliation: Graduate School of Natural Science Graduate Course in Physics, Gakushuin University

Absence of Nontrivial Local Conserved Quantities in the Hubbard Model on the Two or Higher Dimensional Hypercubic Lattice

Mahiro Futami

Journal of Statistical Physics, 193(8), Jul 31, 2026 Peer-reviewed
Absence of nontrivial local conserved quantities in the quantum compass model on the square lattice

Mahiro Futami, Hal Tasaki

Journal of Mathematical Physics, 66(11), Nov 18, 2025 Peer-reviewed

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.

Time evolution of operators in non-integrable quantum spin chain

Mahiro Futami, Hal Tasaki

Sep 16, 2026, The Physical Society of Japan
Absence of Nontrivial Local Conserved Quantities in the High-Dimensional Hubbard Model

二見真拓

Quantum many-body systems out of equilibrium: Relaxation, thermalization, and ergodicity breaking, Sep 1, 2026, Max Planck Institute for the Physics of Complex Systems
Absence of Nontrivial Local Conserved Quantities in the High-Dimensional Hubbard Model

May 13, 2026, Yukawa Institute for Theoretical Physics
Absence of Nontrivial Local Conserved Quantities in the High-Dimensional Hubbard Model

Sep 19, 2025, The Physical Society of Japan
Absence of local conserved quantities in the quantum compass model on the square lattice

Mahiro Futami

The 70th Condensed Matter Physics Summer School, Jul 31, 2025