A magneto-gravitational trap for studies of gravitational quantum states

Authors :: Valery Nesvizhevsky
A. Yu. Voronin
F. Nez
E. Widmann
Sergey Vasiliev
Serge Reynaud
Paolo Crivelli
Source :: European Physical Journal, European Physical Journal C: Particles and Fields, Vol 80, Iss 6, Pp 1-10 (2020), 'European Physical Journal C ', vol: 80, pages: 520-1-520-10 (2020), The European Physical Journal C, 80 (6)
Publication Year :: 2020
Publisher :: Springer, 2020.
Abstract: Observation time is the key parameter for improving the precision of measurements of gravitational quantum states of particles levitating above a reflecting surface. We propose a new method of long confinement in such states of atoms, anti-atoms, neutrons and other particles possessing a magnetic moment. The earth gravitational field and a reflecting mirror confine particles in the vertical direction. The magnetic field originating from electric current passing through a vertical wire confines particles in the radial direction. Under appropriate conditions, motions along these two directions are decoupled to a high degree. We estimate characteristic parameters of the problem, and list possible systematic effects that limit storage times due to the coupling of the two motions.<br />The European Physical Journal C, 80 (6)<br />ISSN:1434-6044<br />ISSN:1434-6052

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