THE CONFIGURATION. “With a reference structure deviating from the vacuum configuration and in accord with the flow of information through the geometry, it is possible to obtain the properties of particle diffraction through a protocol similar to a path integral formalism, with particle wavelength λ setting sensitivity to the reference structure — at least provided that interference effects can be accommodated.”
https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf