Self-trapping mechanisms in the dynamics of three coupled Bose-Einstein condensates

Year: 2002

Authors: Franzosi R., Penna V.

Autors Affiliation: Dipartimento di Fisica dell’Università di Pisa, and INFN, Sezione di Pisa, Via Buonarroti 2, I-56127 Pisa, Italy; Dipartimento di Fisica, Politecnico di Torino, and INFM, UdR Torino, Corso Duca degli Abruzzi 24, I-10129 Torino, Italy

Abstract: We formulate the dynamics of three coupled Bose-Einstein condensates within a semiclassical scenario based on the standard boson coherent states. We compare such a picture with that of K. Nemoto et al. [Phys. Rev. A 63, 013604 (2001)] and show how our approach entails a simple formulation of the dimeric regime therein studied. This allows us to recognize the parameters that govern the bifurcation mechanism causing self-trapping, and paves the way to the construction of analytic solutions.

Journal/Review: PHYSICAL REVIEW A

Volume: 65 (1)      Pages from: 013601  to: 013601

KeyWords: Approximation theory; Bifurcation (mathematics); Mathematical operators; Quantum theory; Variational techniques, Bose-Einstein condensates (BEC), Atomic physics
DOI: 10.1103/PhysRevA.65.013601

ImpactFactor: 2.810
Citations: 58
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