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cond-mat.soft2004★ 10 cited
Interference between a large number of independent Bose-Einstein condensates
S. Ashhab
We study theoretically the interference patterns produced by the overlap of an array of Bose-Einstein condensates that have no phase coherence among them. We show that density-dens…
cond-mat.soft2004★ 19 cited
Superfluid vs Ferromagnetic Behaviour in a Bose Gas of Spin-1/2 Atoms
S. Ashhab
We study the thermodynamic phases of a gas of spin-1/2 atoms in the Hartree-Fock approximation. Our main result is that, for repulsive or weakly-attractive inter-component interact…
cond-mat.soft2001★ 68 cited
Josephson Effect in BEC with Spin Degree of Freedom
S. Ashhab, Carlos Lobo
We consider the Josephson Effect between two spatially separated Bose-Einstein condensates of atoms each of which can be in two hyperfine states. We derive simple equations of moti…