Phonon superradiance and phonon laser effect in nanomagnets

2004/04/09 by E. M. Chudnovsky, D. A. Garanin
Physics and Astronomy · #cond-mat.mes-hall #cond-mat.mtrl-sci

paper · pdf · doi:10.1103/physrevlett.93.257205

published as Phys. Rev. Lett. 93, 257205 (2004) · 4 PR pages, 1 Figure

arxiv created 2004/04/09 · arxiv updated 2009/12/01

Abstract

We show that the theory of spin-phonon processes in paramagnetic solids must take into account the coherent generation of phonons by the magnetic centers. This effect should drastically enhance spin-phonon rates in nanoscale paramagnets and in crystals of molecular nanomagnets.

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