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    • Causality, 'superluminality', and reshaping in undersized waveguides 

      Sokolovski, D.; Akhmatskaya, E.Autoridad BCAM (2012-12-31)
      We analyse the reshaping mechanism leading to apparently 'superluminal' advancement of a pulse traversing an undersized section of a waveguide. For frequencies below the first inelastic threshold (cut off one), there are ...