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cond-mat.dis-nn2026
Ground-state properties of the two-dimensional SWAP spin-glass ensemble
Alexander K. Hartmann, Leticia F. Cugliandolo, Marco Tarzia
We study the recently introduced SWAP ensemble for Ising spin-glasses, where the spins obtain varying lengths, with length scale . The lengths can be exchanged in the…
cond-mat.dis-nn2026
Level statistics in the fractal phase of generalized Rosenzweig--Porter models
Victor Delapalme, Leticia F. Cugliandolo, Alexander K. Hartmann +2
The Rosenzweig--Porter (RP) random matrix ensemble has emerged as a minimal model for the integrability-to-chaos crossover in quantum many-body systems. Its phase diagram features…