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Electric Rydberg-Atom Interferometry
Physical Review Letters
An electric analogue of the longitudinal Stern-Gerlach matter-wave interferometer has been realized for atoms in Rydberg states with high principal quantum number, n. The experiments were performed with He atoms prepared in coherent superpositions of the n=55 and n=56 circular Rydberg states in zero electric field by a π/2 pulse of resonant microwave radiation. These atoms were subjected to a pulsed inhomogeneous electric field to generate a superposition of momentum states before a π pulse wasdoi:10.1103/physrevlett.122.250404 fatcat:gtrqkas3y5erhcnybut5l62tge