Effect of a laser dip in the semiclassical dynamics of bosonic Josephson junctions

Year: 2014

Authors: Szirmai G., Mazzarella G., Salasnich L.

Autors Affiliation: Universita’ di Padova; Hungarian Academy of Science

Abstract: We consider the standard double-well setup extended with a laser beam in the center to create a “triple-well” potential. The beam in the center is much narrower than the barrier, and it creates a tunable depth well which can support a localized state in the middle. We show that the presence of the localized state in the central well changes the sign of tunneling between the left and the right wells and therefore controls the fixed-point dynamics of the bosonic Josephson junction.


Volume: 90 (1)      Pages from: 013607  to: 013607

More Information: G.S. acknowledges support from the Hungarian National Office for Research and Technology under Contract No. ERC_HU_09 OPTOMECH, the Hungarian Academy of Sciences (Lendulet Program, Program No. LP2011-016), the Hungarian Scientific Research Fund (Grant No. PD104652), and the Janos Bolyai Scholarship. G.M. and L.S. acknowledge financial support from the Universita di Padova (Progetto di Ateneo Grant No. CPDA 118083), the Cariparo Foundation (Eccellenza Grant No. 2011/2012), and MIUR (PRIN Grant No. 2010LLKJBX).
DOI: 10.1103/PhysRevA.90.013607

Citations: 4
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