Talbot--Lau effect beyond the point-particle approximation
arXiv:1907.04127 · doi:10.1103/PhysRevA.100.033813
Abstract
Recent progress in matter-wave interferometry aims to directly probe the quantum properties of matter on ever increasing scales. However, in order to perform interferometric experiments with massive mesoscopic objects, taking into account the constraints on the experimental set-ups, the point-like particle approximation needs to be cast aside. In this work, we consider near-field interferometry based on the Talbot effects with a single optical grating for large spherical particles beyond the point-particle approximation. We account for the suppression of the coherent grating effect and, at the same time, the enhancement of the decoherence effects due to scattering and absorption of grating photons.
11+2 pages, 6 figures, 1 table. This version matches the one accepted for publication in Phys.Rev.A
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- A perturbative algorithm for rotational decoherence
- Bayesian inference for near-field interferometric tests of collapse models
- Nanoparticle Interferometer by Throw and Catch
- Quantum Physics in Space