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Proceedings Paper

Modulated Rabi oscillation of a weakly interacting Bose gas in electronic spin resonance
Author(s): Weiping Zhang; Guo-Qiang Liu
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Paper Abstract

The study of physical properties of Bose condensed gases has recently become a very active topic due to the experimental realization of Bose-Einstein condensation in the magnetically trapped gases of alkali atoms. In this paper we theoretically study the Rabi oscillation of a weakly interacting Bose gas in the regime of microwave electronic spin resonance. For a Bose gas above the critical temperature for Bose-Einstein condensation, the microwave radiation induced by the driving microwave field exhibits the ordinary Rabi oscillation damped by the inhomogeneous Doppler dephasing. For a Bose gas with a condensate, the microwave radiation is composed of two components. One is the strong coherent Rabi oscillation from the condensate. The other is a modulated Rabi oscillation due to the noncondensed part of the gas. We show that the modulation of Rabi oscillation of the noncondensed gas is directly relative to the elementary collective excitation of atoms in the gas.

Paper Details

Date Published: 1 May 1997
PDF: 8 pages
Proc. SPIE 2995, Atom Optics, (1 May 1997); doi: 10.1117/12.273766
Show Author Affiliations
Weiping Zhang, Macquarie Univ. (Australia)
Guo-Qiang Liu, Macquarie Univ. (Australia)

Published in SPIE Proceedings Vol. 2995:
Atom Optics
Mara Goff Prentiss; William D. Phillips, Editor(s)

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