Analysis of dynamical tunneling experiments with a Bose-Einstein condensate

Journal Article · Thu Jul 01 00:00:00 EDT 2004 · Physical Review. A

DOI:https://doi.org/10.1103/PhysRevA.70.013408· OSTI ID:20645773

Hensinger, W K ^[1]; Mouchet, A ^[2]; Julienne, P S ^[3]; Delande, D ^[4]; Heckenberg, N R; Rubinsztein-Dunlop, H ^[1]

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1. Centre for Biophotonics and Laser Science, Department of Physics, University of Queensland, Brisbane, Queensland 4072 (Australia)
2. Laboratoire de Mathematique et de Physique Theorique (CNRS UMR 6083), Avenue Monge, Parc de Grandmont, 37200 Tours (France)
3. National Institute of Standards and Technology, Gaithersburg, Maryland 20899 (United States)
4. Laboratoire Kastler-Brossel (CNRS UMR 8552), Universite Pierre et Marie Curie, 4 place Jussieu, F-75005 Paris (France)

Dynamical tunneling is a quantum phenomenon where a classically forbidden process occurs that is prohibited not by energy but by another constant of motion. The phenomenon of dynamical tunneling has been recently observed in a sodium Bose-Einstein condensate. We present a detailed analysis of these experiments using numerical solutions of the three-dimensional Gross-Pitaevskii equation and the corresponding Floquet theory. We explore the parameter dependency of the tunneling oscillations and we move the quantum system towards the classical limit in the experimentally accessible regime.

• OSTI ID: 20645773
• Journal Information: Physical Review. A, Vol. 70, Issue 1; Other Information: DOI: 10.1103/PhysRevA.70.013408; (c) 2004 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
BOSE-EINSTEIN CONDENSATION
NUMERICAL SOLUTION
OSCILLATIONS
SODIUM
THREE-DIMENSIONAL CALCULATIONS
TUNNEL EFFECT
WAVE EQUATIONS