Relaxation and Energy Transfer

  • R. Orbach
Part of the NATO Advanced Study Institutes Series book series (NSSB, volume 8)


The theory of phonon induced spin-lattice relaxation of paramagnetic impurities in solids is reviewed and summarized, The frequency and temperature dependences of non-radiative relaxation transitions are catalogued. The electron-phonon interaction is applied to spatial energy transfer, and some interesting aspects of the range dependence examined. Short range transfer forces (e.g., exchange) are discussed, and critical concentrations for energy transport in inhomogeneously broadened systems derived. The relationship between this effect and degradation of fluorescent efficiency is discussed.


Matrix Element Energy Transfer Phonon Energy Range Dependence Homogeneous Width 


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Copyright information

© Plenum Press, New York 1975

Authors and Affiliations

  • R. Orbach
    • 1
  1. 1.Department of PhysicsTel-Aviv UniversityRamat Aviv, Tel-AvivIsrael

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