Quantum test of the Universality of Free Fall using rubidium and potassium

22 May 2020 Albers H. Herbst A. Richardson L. L. Heine H. Nath D. Hartwig J. Schubert C. Vogt C. Woltmann M. Lämmerzahl C. Herrmann S. Ertmer W. Rasel E. M. Schlippert D.

We report on an improved test of the Universality of Free Fall using a rubidium-potassium dual-species matter wave interferometer. We describe our apparatus and detail challenges and solutions relevant when operating a potassium interferometer, as well as systematic effects affecting our measurement... (read more)

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Categories


  • ATOMIC PHYSICS
  • GENERAL RELATIVITY AND QUANTUM COSMOLOGY
  • QUANTUM PHYSICS