A.M. Marvin
Dipartimento di Fisica Teorica, Universita' di Trieste, 34014 Miramare, Grignano, Italy
Abstract
We relate in a general way the surface impedance of a metal to the local curvature of the surface.
We obtain the corrections to the flat-surface impedance formula up to second order in
dD, where d is the penetration depth of the
electromagnetic field and D is the difference between
maximum and minimum curvature. We give explicit expressions relating to each other the
electric and magnetic fields parallel to the surface. We show that the terms neglected in the
surface impedance approximation contain only the second derivatives of these fields in the plane
tangent to the surface.
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Notes: T.T. Ong is no longer at the University of Virginia. The ZIP code of this University has changed from 22901 to 22904.
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Last Modified: July 20, 2001
