QuBounce: the dynamics of ultra-cold neutrons falling in the gravity potential of the Earth

Details QuBounce: the dynamics of ultra-cold neutrons falling in the gravity potential of the Earth QuBounce: the dynamics of ultra-cold neutrons falling in the gravity potential of the Earth

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009nupha.827..593a&link_type=abstract

Nuclear Physics A, Volume 827, Issue 1-4, p. 593-595c.

Physics

Nuclear Physics

5

Quantum Bouncer, Schrödinger Quantum Particle, Gravitation, 5Th Forces

Scientific paper

The dynamics of a quantum mechanical wave packet bouncing off a hard surface in the gravitational field of the earth combines quantum theory with aspects of Newtonian mechanics at short distances. We realize such a quantum bouncing ball with ultracold neutrons. By quantum interference, this experiment is sensitive to gravity-like forces at a length scale below 10 μm and can test speculations on large extra dimensions of submillimeter size of space-time or the origin of the cosmological constant in the universe.

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