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6 papers · 2 filters
Quasi-condensation of bilayer excitons in a periodic potential
Camille Lagoin, Stephan Suffit, Kenneth West +4
We study two-dimensional excitons confined in a lattice potential, for high fillings of the lattice sites. We show that a quasi-condensate is possibly formed for small values of th…
Itinerant ferromagnetism in the repulsive Hubbard chain with anisotropic odd-wave attraction
Manpreet Singh, Sebastiano Pilati, Giuliano Orso
The ground-state properties of the Hubbard chain with on-site repulsion and anisotropic nearest-neighbor attraction are investigated by means of density matrix renormalization grou…
Absence of two-body delocalization transitions in the two-dimensional Anderson-Hubbard model
Filippo Stellin, Giuliano Orso
We investigate Anderson localization of two particles moving in a two-dimensional (2D) disordered lattice and coupled by contact interactions. Based on transmission-amplitude calcu…
Two-body mobility edge in the Anderson-Hubbard model in three dimensions: Molecular versus scattering states
Filippo Stellin, Giuliano Orso
Most of our quantitative understanding of disorder-induced metal-insulator transitions comes from numerical studies of simple noninteracting tight-binding models, like the Anderson…
Mott insulator phases of non-locally coupled bosons in bilayer optical superlattices
Sayan Lahiri, Suman Mondal, Manpreet Singh +1
We investigate the ground state properties of a non-locally coupled bosonic system in a bilayer optical superlattice by considering bosons in one layer to be of softcore in nature…
Observation of Algebraic Time Order for Two-Dimensional Dipolar Excitons
S. Dang, M. Zamorano, S. Suffit +5
Emergence of algebraic quasi-long-range order is a key feature of superfluid phase transitions at two dimensions. For this reduced dimensionality interactions prevent Bose-Einstein…