Long term behavior of the stirred vacuum on a Dirac chain: geometry blur and the random Slater ensemble
José Vinaixa,
Begoña Mula,
Alfredo Deaño
et al.
Abstract:We characterize the long-term state of the 1D Dirac vacuum stirred by an impenetrable object, modeled as the ground state of a finite free-fermionic chain dynamically perturbed by a moving classical obstacle which suppresses the local hopping amplitudes. We find two different regimes, depending on the velocity of the obstacle. For a slow motion, the effective Floquet Hamiltonian presents features which are typical of the Gaussian orthogonal ensemble, and the occupation of the Floquet modes becomes roughly homo… Show more
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