Integrability of a family of clean SYK models from the critical Ising chain

Fuente: arXiv
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Autori principali: Fukai, Kohei, Katsura, Hosho
Natura: Preprint
Pubblicazione: 2025
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author Fukai, Kohei
Katsura, Hosho
author_facet Fukai, Kohei
Katsura, Hosho
contents We establish the integrability of a family of Sachdev-Ye-Kitaev (SYK) models with uniform $p$-body interactions. We derive the R-matrix and mutually commuting transfer matrices that generate the Hamiltonians of these models, and obtain their exact eigenspectra and eigenstates. Remarkably, the R-matrix is that of the critical transverse-field Ising chain. This work reveals an unexpected connection between the SYK model, central to many-body quantum chaos, and the critical Ising chain, a cornerstone of statistical mechanics.
format Preprint
id arxiv_https___arxiv_org_abs_2511_03460
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Integrability of a family of clean SYK models from the critical Ising chain
Fukai, Kohei
Katsura, Hosho
Statistical Mechanics
Strongly Correlated Electrons
High Energy Physics - Theory
Mathematical Physics
Quantum Physics
We establish the integrability of a family of Sachdev-Ye-Kitaev (SYK) models with uniform $p$-body interactions. We derive the R-matrix and mutually commuting transfer matrices that generate the Hamiltonians of these models, and obtain their exact eigenspectra and eigenstates. Remarkably, the R-matrix is that of the critical transverse-field Ising chain. This work reveals an unexpected connection between the SYK model, central to many-body quantum chaos, and the critical Ising chain, a cornerstone of statistical mechanics.
title Integrability of a family of clean SYK models from the critical Ising chain
topic Statistical Mechanics
Strongly Correlated Electrons
High Energy Physics - Theory
Mathematical Physics
Quantum Physics
url https://arxiv.org/abs/2511.03460