Figure 5

Classical vs. quantum interference visibility. Here, we plot the expected quantum (solid black) vs. the corresponding classical interference visibility (blue, dashed) as a function of \(\phi _{0}\) for a test particle of mass \(m=10^{9}\) amu, \(T=100\mbox{ s}\), and \(\lambda_{g}=200\mbox{ nm}\) for the wavelength of the beam for the standing-wave grating.