Condensed Matter Theory

Martin Holthaus: Towards coherent control of a Bose-Einstein condensate in a double well

Author(s): Martin Holthaus

Title:
Towards coherent control of a Bose-Einstein condensate in a double well

Date of Upload:
2002-09-03

Article:
Phys. Rev. A 64, 011601(R) (2001), APS

Keywords:
Bose-Einstein condensates, single-particle Floquet states, self-trapping, periodically modulated double well

PACS:
03.75.Fi, 32.80.Pj, 74.50.+r

Abstract:
A type of solution to the nonlinear Schroedinger equation for periodically driven Bose-Einstein condensates is introduced, which generalizes the familiar single-particle Floquet states. These solutions lead to the prediction that the onset of self-trapping of a condensate in a periodically modulated double well can be systematically controlled. This mean-field prediction is confirmed on the N-particle level, and explained by a pairing mechanism.

URL: http://www.physik.uni-oldenburg.de/condmat/Papers/p_doublewell.ps (application/postscript, 343.6 KByte)

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