2 papers
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…
cond-mat.stat-mech2026
The Wishart--Rosenzweig--Porter random matrix ensemble
Victor Delapalme, Leticia F. Cugliandolo, Grégory Schehr +2
In recent years the Rosenzweig--Porter (RP) ensemble, obtained by adding a diagonal matrix with independent and identically distributed elements to a Gaussian random matrix, has be…