Modulated Rabi oscillation of a weakly interacting Bose gas in electronic spin resonance

Weiping Zhang; Guo-Qiang Liu

doi:10.1117/12.273766

1 May 1997 Modulated Rabi oscillation of a weakly interacting Bose gas in electronic spin resonance

Weiping Zhang, Guo-Qiang Liu

Proceedings Volume 2995, Atom Optics; (1997) https://doi.org/10.1117/12.273766
Event: Photonics West '97, 1997, San Jose, CA, United States

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.

Citation Download Citation

Weiping Zhang and Guo-Qiang Liu "Modulated Rabi oscillation of a weakly interacting Bose gas in electronic spin resonance", Proc. SPIE 2995, Atom Optics, (1 May 1997); https://doi.org/10.1117/12.273766

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