We use a two-color lattice to break the homogeneous site occupation of an atomic Mott insulator ofbosonic Rb-87. We detect the disruption of the ordered Mott domains via noise correlation analysis of theatomic density distribution after time of flight. The appearance of additional correlation peaks evidencesthe redistribution of the atoms into a strongly inhomogeneous insulating state, in quantitative agreementwith the predictions.
Noise Correlation Spectroscopy of the Broken Order of a Mott Insulating Phase
N Fabbri;
2008
Abstract
We use a two-color lattice to break the homogeneous site occupation of an atomic Mott insulator ofbosonic Rb-87. We detect the disruption of the ordered Mott domains via noise correlation analysis of theatomic density distribution after time of flight. The appearance of additional correlation peaks evidencesthe redistribution of the atoms into a strongly inhomogeneous insulating state, in quantitative agreementwith the predictions.File in questo prodotto:
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Descrizione: Noise Correlation Spectroscopy of the Broken Order of a Mott Insulating Phase
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