Accession Number : AD0664332

Title :   SMALL SIGNAL POWER AND MOMENTUM THEOREMS FOR A MAGNETOELASTIC FERROMAGNET,

Corporate Author : MASSACHUSETTS INST OF TECH CAMBRIDGE MICROWAVE AND QUANTUM MAGNETICS GROUP

Personal Author(s) : Morgenthaler,Frederic R.

Report Date : MAY 1967

Pagination or Media Count : 19

Abstract : Small signal equations of motion governing the magnetization and elastic displacement vectors in a magnetoelastic ferromagnet are used to find the time dependent and complex small signal power theorems, the small signal momentum conservation theorem, and the boundary conditions applicable at a passive surface of discontinuity. The theorems are also used to derive the approximate equations of motion governing localized wave packets described in terms of quasi-particles. (Author)

Descriptors :   (*MECHANICAL WAVES, STABILITY), (*WAVE PROPAGATION, MECHANICAL WAVES), PROPAGATION, EQUATIONS OF MOTION, ELASTIC PROPERTIES, APPROXIMATION(MATHEMATICS), FERROMAGNETISM, BOUNDARY VALUE PROBLEMS, MOMENTUM, POWER, MAGNETOSTRICTION, ELECTROMAGNETIC FIELDS, THEOREMS

Subject Categories : Electricity and Magnetism
      Radiofrequency Wave Propagation

Distribution Statement : APPROVED FOR PUBLIC RELEASE