Scientific Results

Resonantly enhanced tunneling of Bose-Einstein condensates in periodic potentials

Year: 2007

Authors: Sias C., Zenesini A., Lignier H., Wimberger S., Ciampini D., Morsch O., Arimondo E.

Autors Affiliation: CNR, INFM, Dipartimento Fis E Fermi, I-56127 Pisa, Italy

Abstract: We report on measurements of resonantly enhanced tunneling of Bose-Einstein condensates loaded into an optical lattice. By controlling the initial conditions of our system we were able to observe resonant tunneling in the ground and the first two excited states of the lattice wells. We also investigated the effect of the intrinsic nonlinearity of the condensate on the tunneling resonances.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 98      Pages from: 120403-1  to: 120403-4

KeyWords: SEMICONDUCTOR SUPERLATTICES; OPTICAL LATTICE; ULTRACOLD ATOMS; QUANTUM-WELLS; LIFETIME; STATES
DOI: 10.1103/PhysRevLett.98.120403

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