Consiglio Nazionale delle Ricerche

(Andrea Trombettoni)

The CNR group, lead by Andrea Trombettoni, will perform a theoretical study of the interferometer schemes implemented by the experimental groups of the present proposal: in particular the group will study the Josephson dynamics of bosonic SQUID devices created in ring geometries with one or more (eventally moving) defects, with the goal to characterize and optimize the sensitivity of rotation and accelaration measurements. The effects of interactions will be treated using the Gross-Pitaevskii equation and, for strong interactions, using time-dependent many body techniques: on the last point a crucial contribution will come from the collaboration with Federico Becca, which has a long-standing experience in numerical techniques. Furthermore, the CNR group will strictly collaborate and coordinate the research activity with the Theory group in University of Nottingham, leaded by Igor Lesanovsky.

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