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cond-mat.quant-gas2011★ 33 cited
Expansion of Bose-Hubbard Mott insulators in optical lattices
Mark Jreissaty, Juan Carrasquilla, F. Alexander Wolf +1
We study the expansion of bosonic Mott insulators in the presence of an optical lattice after switching off a confining potential. We use the Gutzwiller mean-field approximation an…
cond-mat.quant-gas2010★ 20 cited
Collapse and revival oscillations as a probe for the tunneling amplitude in an ultra-cold Bose gas
F. Alexander Wolf, Itay Hen, Marcos Rigol
We present a theoretical study of the quantum corrections to the revival time due to finite tunneling in the collapse and revival of matter wave interference after a quantum quench…