Reports on Mathematical Physics 83/3/2019

Opis

Reports on Mathematical Physics 83/3/2019. Local density matrices of many-body states in the constant weight subspaces. N-body localization for the Anderson model with strongly mixing correlated random potentials. Unifying entropies of quantum logic based on Renyi entropies. Time evolution of the variance of squeezed chaotic state in amplitude dissipation channel. A combines short pulse MKDV equation and its exact solutions by two-dimensional invariant subspaces. Generalizations of 2-dimensional diagonal quantum channels with constant Frobenius norm. A jet bundle approach to the variational structure of nonholonomic mechanical systems. The atomic density on the Thomas-Fermi lenght scale for