Orbital angular momentum interference of trapped matter waves
Filip Kia{\l}ka, Benjamin A. Stickler, Klaus Hornberger
TL;DR
This paper proposes a novel matter wave interference scheme utilizing orbital angular momentum in a ring trap, enabling sensitive measurements of geometric phases and interatomic interactions without beam splitters.
Contribution
It introduces a new orbital angular momentum interferometry method for cold atoms that simplifies experimental setups and enhances measurement capabilities.
Findings
Demonstrates sensitivity to geometric phases from external gauge fields
Enables measurement of interatomic scattering lengths
Operates without beam splitters in matter wave experiments
Abstract
We introduce a matter wave interference scheme based on the quantization of orbital angular momentum in a ring trap. It operates without beam splitters, is sensitive to geometric phases induced by external gauge fields, and allows measuring interatomic scattering lengths. We argue that orbital angular momentum interferometry offers a versatile platform for quantum coherent experiments with cold atoms and Bose-Einstein condensates using state-of-the-art technology.
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