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Correlation functions and momentum distribution of one-dimensional Bose systems
G. E. Astrakharchik, S. Giorgini
The ground-state correlation properties of a one-dimensional Bose system described by the Lieb-Liniger Hamiltonian are investigated by using exact quantum Monte Carlo techniques. T…
Critical temperature of Bose-Einstein condensation in trapped atomic Bose-Fermi mixtures
Alexander P. Albus, Stefano Giorgini, Fabrizio Illuminati +1
We calculate the shift in the critical temperature of Bose-Einstein condensation for a dilute Bose-Fermi mixture confined by a harmonic potential to lowest order in both the Bose-B…
Quantum Monte Carlo study of the 3D-1D crossover for a trapped Bose gas
G. E. Astrakharchik, S. Giorgini
We investigate the cross-over from three to one dimension in a Bose gas confined in highly anisotropic traps. By using Quantum Monte-Carlo techniques, we solve the many-body Schrod…
Ground-state properties of a dilute Bose-Fermi mixture
L. Viverit, S. Giorgini
We investigate the properties of a dilute boson-fermion mixture at zero temperature. The ground-state energy of the system is calculated to second order in the Bose-Fermi coupling…