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Paramagnetic Mössbauer relaxation spectra by simple ab initio and stochastic models

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Abstract

The stochastic and ab initio (resolvent) methods for the calculation of Mössbauer relaxation spectra are shortly reviewed. The relaxation matrix based on a first order dynamical Hamiltonian is calculated and corresponding simulations are presented. The spin-phonon interaction spectral bath densities are calculated in the Debye approximation for the direct one and two phonon processes. Some least squares fits are presented.

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Author notes

  1. R. Magalhães-Paniago

    Present address: Physics Department, University of Houston, 77204-5504, Houston, TX, USA

Authors and Affiliations

  1. Departamento de Física, Universidade Federal de Minas Gerais, CP 702, 30161-970, Belo Horizonte, Brazil

    H. -D. Pfannes & R. Magalhães-Paniago

Authors
  1. H. -D. Pfannes
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  2. R. Magalhães-Paniago
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Pfannes, H.D., Magalhães-Paniago, R. Paramagnetic Mössbauer relaxation spectra by simple ab initio and stochastic models. Hyperfine Interact 83, 79–89 (1994). https://doi.org/10.1007/BF02074261

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