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Magnetic Field Effect for Two Electrons in a Two Dimensional Random Potential
Giuliano Benenti, Dima L. Shepelyansky
We study the problem of two particles with Coulomb repulsion in a two-dimensional disordered potential in the presence of a magnetic field. For the regime, when without interaction…
Quantum Poincare' recurrences in microwave ionization of Rydberg atoms
Giuliano Benenti, Giulio Casati
We study the time dependence of the ionization probability of Rydberg atoms driven by a microwave field. The quantum survival probability follows the classical one up to the Heisen…
Compressibility crossover and quantum opening of a gap for two dimensional disordered clusters with Coulomb repulsion
Giuliano Benenti, Xavier Waintal, Jean-Louis Pichard +1
Using Hartree-Fock orbitals with residual Coulomb repulsion, we study spinless fermions in a two dimensional random potential. When we increase the system size at fixed particl…