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SAMOP 2021 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 8: Ultra-cold plasmas and Rydberg systems (joint session A/Q)

Q 8.2: Poster

Tuesday, September 21, 2021, 16:30–18:30, P

Quantum sensing protocol for motionally chiral Rydberg atomsStefan Yoshi Buhmann1, Steffen Giesen2, Mira Diekmann2, Robert Berger2, •Stefan Aull3, Markus Debatin3, Peter Zahariev3,4, and Kilian Singer31Theoretische Physik III, Universität Kassel, Heinrich-Plett-Str. 40, 34132 Kassel, Germany — 2Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Str 4, Marburg 35032, Germany — 3Experimentalphysik I, Universität Kassel, Heinrich-Plett-Str. 40, 34132 Kassel, Germany — 4Institute of Solid State Physics, Bulgarian Academy of Sciences, 72, Tzarigradsko Chaussee, 1784 Sofia, Bulgaria

A quantum sensing protocol is proposed for demonstrating the motion-induced chirality of circularly polarised Rydberg atoms. To this end, a cloud of Rydberg atoms is dressed by a bichromatic light field. This allows to exploit the long-lived ground states for implementing a Ramsey interferometer in conjunction with a spin echo pulse sequence for refocussing achiral interactions. Optimal parameters for the dressing lasers are identified. Combining a circularly polarised dipole transition in the Rydberg atom with atomic centre-of-mass motion, the system becomes chiral. The resulting discriminatory chiral energy shifts induced by a chiral mirror are estimated using a macroscopic quantum electrodynamics approach.

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