3 papers
cond-mat.stat-mech2026
Thermalization in the mixed-field Ising model: An occupation number perspective
IsaÃas Vallejo-Fabila, Fausto Borgonovi, Felix M. Izrailev +1
The occupation number is a key observable for diagnosing thermalization, as it connects directly to standard statistical laws such as Fermi--Dirac, Bose--Einstein, and Boltzmann di…
cond-mat.stat-mech2024
Timescales of quantum and classical chaotic spin models evolving toward equilibrium
Fausto Borgonovi, Felix M. Izrailev, Lea F. Santos
We investigate quench dynamics in a one-dimensional spin model, comparing both quantum and classical descriptions. Our primary focus is on the different timescales involved in the…
cond-mat.str-el2024
Nonstandard Hubbard model and electron pairing
M. Zendra, F. Borgonovi, G. L. Celardo +1
We present a non-standard Hubbard model applicable to arbitrary single-particle potential profiles and inter-particle interactions. Our approach involves a novel treatment of Wanni…