Alignment dynamics of slow light diffusion in ultracold atomic $^{85}$Rb
S. Balik, R.G. Olave, C.I. Sukenik, M.D. Havey, V.M. Datsyuk, I.M., Sokolov, and D.V. Kupriyanov
TL;DR
This paper investigates how light propagates and changes polarization over time in an ultracold rubidium-85 atomic gas, combining experiments and simulations to understand the underlying alignment dynamics.
Contribution
It provides a combined experimental and theoretical analysis of light diffusion and polarization dynamics in ultracold rubidium-85 atoms, highlighting the role of hyperfine coherences.
Findings
Strong polarization variations near atomic resonance
Excellent agreement between experiments and Monte-Carlo simulations
Identification of hyperfine coherence effects on light scattering
Abstract
A combined experimental and theoretical investigation of time- and alignment-dependent propagation of light in an ultracold atomic gas of atomic Rb is reported. Coherences among the scattering amplitudes for light scattering off excited hyperfine levels produce strong variations of the light polarization in the vicinity of atomic resonance. Measurements are in excellent agreement with Monte-Carlo simulations of the multiple scattering process.
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