We derive an expression for the phase shift of an atom interferometer in a gravitational field taking into account both the finite duration of the light pulses and the effect of a small perturbing potential added to a stronger uniform gravitational field, extending the well-known results for rectangular pulses and at most quadratic potentials. These refinements are necessary for a correct analysis of present-day high-resolution interferometers.
Phase shift in atom interferometers: Corrections for nonquadratic potentials and finite-duration laser pulses
Minardi F;
2019
Abstract
We derive an expression for the phase shift of an atom interferometer in a gravitational field taking into account both the finite duration of the light pulses and the effect of a small perturbing potential added to a stronger uniform gravitational field, extending the well-known results for rectangular pulses and at most quadratic potentials. These refinements are necessary for a correct analysis of present-day high-resolution interferometers.File in questo prodotto:
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Descrizione: Phase shift in atom interferometers: Corrections for nonquadratic potentials and finite-duration laser pulses
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