Post-doctorate position : Hydrogen deceleration for its first observation of the Gravitational Quantum States

This project aims to perform the first observation of Gravitational Quantum States on
hydrogens in flight. This experiment is part of the international collaboration GRASIAN: GRAvity Spectroscopy and Interferometry with ultra-cold Atoms and Neutrons (

Full time postdoctorate, mainly experimental position. 12 months contract (possibility of extension).

Start date: February 2024 January 2025.

Location: Laboratoire Kastler Brossel, Sorbonne Université, CNRS, ENS, Collège de France. 4 place Jussieu, 75005 Paris

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