Abstract
We prove that the empirical distribution of crossings of a “detector” surface by scattered particles converges in appropriate limits to the scattering cross section computed by stationary scattering theory. Our result, which is based on Bohmian mechanics and the flux-across-surfaces theorem, is the first derivation of the cross section starting from first microscopic principles.
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Dürr, D., Goldstein, S., Moser, T. et al. A Microscopic Derivation of the Quantum Mechanical Formal Scattering Cross Section. Commun. Math. Phys. 266, 665–697 (2006). https://doi.org/10.1007/s00220-006-0053-x
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DOI: https://doi.org/10.1007/s00220-006-0053-x