Few-particle systems: An analysis of some strongly correlated states

Abstract: The analysis of the quantum Hall response of a small system of ultracold bosonic atoms through the variation of its Hall resistivity against the applied gauge magnetic field, provides a powerful method to unmask its strongly correlated states in a quite eshaustive way. Within a fixed range of values of the magnetic field in the lowest Landau-level regime, where the resistivity displays two successive plateaux, we identify the implied states as the Pfaffian and the state with filling factor \nu=2/3 in the thermodynamic limit. We fix the conditions to have good observability.