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Quantum Gravity Relativistic Quantum Information

Quantum Reflection of Antihydrogen in the GBAR Experiment

arXiv
Authors: Gabriel Dufour, Romain Guérout, Astrid Lambrecht, Valery Nesvizhevsky, Serge Reynaud, Alexei Voronin

Year

2013

Paper ID

2362

Status

Preprint

Abstract Read

~2 min

Abstract Words

87

Citations

N/A

Abstract

In the GBAR experiment, cold antihydrogen atoms will be left to fall on an annihilation plate with the aim of measuring the gravitational acceleration of antimatter. Here, we study the quantum reflection of these antiatoms due to the Casimir-Polder potential above the plate. We give realistic estimates of the potential and quantum reflection amplitudes, taking into account the specificities of antihydrogen and the optical properties of the plate. We find that quantum reflection is enhanced for weaker potentials, for example above thin slabs, graphene and nanoporous media.

Why This Paper Matters

  • This paper contributes to the Quantum Gravity & Relativistic Quantum Information research area in the Quantum Articles archive.
  • It adds a 2013 reference point for readers tracking recent quantum research.
  • In the GBAR experiment, cold antihydrogen atoms will be left to fall on an annihilation plate with the aim of measuring the gravitational acceleration of antimatter.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1312.6018 [2] arXiv https://arxiv.org/abs/1312.6018 [3] Publisher https://arxiv.org/abs/1312.6018

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