Quantum Phase Shift in Chern-Simons Modified Gravity

Details Quantum Phase Shift in Chern-Simons Modified Gravity Quantum Phase Shift in Chern-Simons Modified Gravity

2008-12-23

arxiv.org/abs/0812.4342v3

Phys.Rev.D79:083006,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

16 pages, minor errors corrected. Accepted for publication in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.79.083006

Using a unified approach of optical-mechanical analogy in a semiclassical formula, we evaluate the effect of Chern-Simons modified gravity on the quantum phase shift of de Broglie waves in neutron interferometry. The phase shift calculated here reveals, in a single equation, a combination of effects coming from Newtonian gravity, inertial forces, Schwarzschild and Chern-Simons modified gravity. However the last two effects, though new, turn out to be too tiny to be observed, and hence only of academic interest at present. The approximations, wherever used, as well as the drawbacks of the non-dynamical approach are clearly indicated.

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