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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…
Emergence of Fermi-Dirac Thermalization in the Quantum Computer Core
Giuliano Benenti, Giulio Casati, Dima L. Shepelyansky
We model an isolated quantum computer as a two-dimensional lattice of qubits (spin halves) with fluctuations in individual qubit energies and residual short-range inter-qubit coupl…
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…