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 / Bertoldi, A.; Minardi, F.; Prevedelli, M.. - In: PHYSICAL REVIEW A. - ISSN 2469-9926. - STAMPA. - 99:3(2019), pp. 033619.1-033619.10. [10.1103/PhysRevA.99.033619]
Phase shift in atom interferometers: Corrections for nonquadratic potentials and finite-duration laser pulses
Minardi, F.
;Prevedelli, M.
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 | Dimensione | Formato | |
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