On the detection of condensate vortex states
E. V. Goldstein, E. M. Wright, and P. Meystre (Optical Sciences, Center, University of Arizona)
TL;DR
This paper proposes a detection scheme for vortex states in condensates using second-order correlation measurements, enabling direct identification of their topological charge.
Contribution
It introduces a novel method based on correlation functions to detect and characterize vortex states in condensates.
Findings
The scheme can directly measure the topological charge of vortex states.
It provides a practical way to identify vortex states in cylindrically symmetric traps.
Abstract
We discuss a detection scheme that reveals the existence of vortex states in a cylindrically symmetric condensate trap. It relies on the measurement of the second-order correlation function of the Schr\"odinger field, and yields directly the topological charge of the vortex state.
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