Quantum Phase Shift in Chern-Simons Modified Gravity
arXiv:0812.4342 · doi:10.1103/PhysRevD.79.083006
Abstract
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.
16 pages, minor errors corrected. Accepted for publication in Phys. Rev. D
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