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Probing chaos in the spherical p-spin glass model
Lorenzo Correale, Anatoli Polkovnikov, Marco Schirò +1
We study the dynamics of a quantum -spin glass model starting from initial states defined in microcanonical shells, in a classical regime. We compute different chaos estimators,…
Dynamics in many-body localized quantum systems without disorder
Mauro Schiulaz, Alessandro Silva, Markus Müller
We study the relaxation dynamics of strongly interacting quantum systems that display a kind of many-body localization in spite of their translation-invariant Hamiltonian. We show…
Relaxation Dynamics of Disordered Spin Chains: Localization and the Existence of a Stationary State
Simone Ziraldo, Alessandro Silva, Giuseppe E. Santoro
We study the unitary relaxation dynamics of disordered spin chains following a sudden quench of the Hamiltonian. We give analytical arguments, corroborated by specific numerical ex…
Instanton Analysis of Hysteresis in the Three-Dimensional Random-Field Ising Model
Markus Mueller, Alessandro Silva
We study the magnetic hysteresis in the random field Ising model in 3D. We discuss the disorder dependence of the coercive field H_c, and obtain an analytical description of the sm…