Dolfin, Marina (1994) On the propagation of electromagnetic waves in media with relaxation phenomena. Atti della Accademia Peloritana dei Pericolanti, LXXII. pp. 295-304.
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Abstract
The propagation and damping of electromagnetic waves in isotropic media with electric conductivity and magnetic relaxation phenomena are investigated. Relaxation phenomena are analyzed using a dynamical constitutive equation obtained by some authors with the help of non-equilibrium thermodynamics. This equation, which generalizes Snoek's equation, has the form of a linear relation among the magnetic induction B and its first derivative with respect to time, the magnetization M, the first and second derivatives with respect to time of M. We derive solutions of the relaxation equation which also satisfy Maxwell equation and using the Laplace trasform we show as the solution obtained generalize the classical results.
| Item Type: | Article |
|---|---|
| Subjects: | M.U.S. - Miscellanea > Atti Accademia Peloritana > Classe di Scienze Fisiche, Matematiche e Naturali |
| Depositing User: | Stage ICCU |
| Date Deposited: | 07 Mar 2005 |
| Last Modified: | 13 Apr 2010 09:38 |
| URI: | http://cab.unime.it/mus/id/eprint/136 |
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