Bragg spectroscopy with an accelerating Bose-Einstein condensate
R. Geursen, N. R. Thomas, and A. C. Wilson
TL;DR
This paper investigates how circular micro-motion in an accelerating Bose-Einstein condensate affects Bragg spectroscopy results, using a frequency modulation model and numerical solutions to interpret the complex spectral structures.
Contribution
It introduces a novel analysis of Bragg spectra in an accelerating BEC, incorporating a frequency modulation model and numerical simulations to understand broadening effects.
Findings
Micro-motion influences Bragg spectral features
Frequency modulation explains complex spectral structures
Numerical solutions reveal broadening mechanisms
Abstract
We present the results of Bragg spectroscopy performed on an accelerating Bose-Einstein condensate. The Bose condensate undergoes circular micro-motion in a magnetic TOP trap and the effect of this motion on the Bragg spectrum is analyzed. A simple frequency modulation model is used to interpret the observed complex structure, and broadening effects are considered using numerical solutions to the Gross-Pitaevskii equation.
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