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Gluckstern, R.L.

Paper Title Page
MPPP039 Impedance of Finite Length Resistor 2595
 
  • S. Krinsky, B. Podobedov
    BNL, Upton, Long Island, New York
  • R.L. Gluckstern
    University of Maryland, College Park, Maryland
  
  Funding: Department of Energy contract DE-AC02-98CH10886.

We determine the impedance of a cylindrical metal tube (resistor) of radius a and length g, attached at each end to perfect conductors of semi-infinite length. Our main interest is in the behavior of the impedance at high frequency (k>>1/a). In the equilibrium regime, ka2<<g, the impedance per unit length is accurately described by the well-known result for an infinite length resistive tube. In the transient regime, ka2>>g, we derive an analytic expression for the impedance and compute the short-range wakefield.