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Gravitational quantum states of Antihydrogen
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry, Quantum Chemistry.
2011 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 83, 032903- p.Article in journal (Refereed) Published
Abstract [en]

We present a theoretical study of the motion of the antihydrogen atom ((H) over bar) in the gravitational field of Earth above a material surface. We predict that the (H) over bar atom, falling in the gravitational field of Earth above a material surface, would settle into long-lived quantum states. We point out a method of measuring the difference in the energy of (H) over bar in such states. The method allows for spectroscopy of gravitational levels based on atom-interferometric principles. We analyze the general feasibility of performing experiments of this kind. We point out that such experiments provide a method of measuring the gravitational force (Mg) acting on (H) over bar and that they might be of interest in the context of testing the weak equivalence principle for antimatter.

Place, publisher, year, edition, pages
2011. Vol. 83, 032903- p.
Keyword [en]
neutron, acceleration, atoms, field, wave
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-151621DOI: 10.1103/PhysRevA.83.032903ISI: 000288119400008OAI: oai:DiVA.org:uu-151621DiVA: diva2:410739
Available from: 2011-04-14 Created: 2011-04-14 Last updated: 2017-12-11Bibliographically approved

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Froelich, Piotr

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