Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2002-08-17
Phys.Rev. D66 (2002) 063005
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
14 pages, 1 figure
Scientific paper
10.1103/PhysRevD.66.063005
Using a novel approach, we work out the general relativistic effects on the quantum interference of de Broglie waves associated with thermal neutrons. The unified general formula is consistent with special relativistic results in the flat space limit. It is also shown that the exact geodesic equation contains in a natural way a gravitational analog of the Aharonov-Bohm effect. We work out two examples, one in general relativity and the other in heterotic string theory, in order to obtain the first order gravitational correction terms to the quantum fringe shift. Measurement of these terms is closely related to the validity of the equivalence principle at a quantum level.
Nandi Kamal Kanti
Zhang Yuan-Zhong
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