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Newtonian versus Special-Relativistic Statistical Predictions for Low-Speed Scattering

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  • Shiuan-Ni Liang
  • Florentino Borondo
  • Boon Leong Lan

Abstract

The statistical predictions of Newtonian and special-relativistic mechanics, which are calculated from an initially Gaussian ensemble of trajectories, are compared for a low-speed scattering system. The comparisons are focused on the mean dwell time, transmission and reflection coefficients, and the position and momentum means and standard deviations. We find that the statistical predictions of the two theories do not always agree as conventionally expected. The predictions are close if the scattering is non-chaotic but they are radically different if the scattering is chaotic and the initial ensemble is well localized in phase space. Our result indicates that for low-speed chaotic scattering, special-relativistic mechanics must be used, instead of the standard practice of using Newtonian mechanics, to obtain empirically-correct statistical predictions from an initially well-localized Gaussian ensemble.

Suggested Citation

  • Shiuan-Ni Liang & Florentino Borondo & Boon Leong Lan, 2012. "Newtonian versus Special-Relativistic Statistical Predictions for Low-Speed Scattering," PLOS ONE, Public Library of Science, vol. 7(11), pages 1-8, November.
    • Handle: RePEc:plo:pone00:0048447
    DOI: 10.1371/journal.pone.0048447
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