Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2006-03-24
Physics
Condensed Matter
Other Condensed Matter
4 pages, 5 figures
Scientific paper
Starting from one-dimensional Mott Insulators, we use a bichromatic optical lattice to add controlled disorder to an ideal optical crystal where bosonic atoms are pinned by repulsive interactions. Increasing disorder, we observe a broadening of the Mott Insulator resonances and the transition to an insulating state with a flat density of excitations, suggesting the formation of a Bose-Glass.
Fallani Leonardo
Fort Chiara
Guarrera Vera
Inguscio Massimo
Lye J. E.
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