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Effect of electron-phonon interaction on the knight shift

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Abstract

The effect of electron-phonon interaction is considered on the spin (Ks), Orbital (Ko) and spin-orbit (Kso) contributions to the Knight shift. In case of Ks, it is found that the modifications caused due to the magnetic field dependence of electron self-energy in the presence of electron-phonon interaction is cancelled by the electron-phonon mass enhancement. However, in the presence of both electron-electron and electron-phonon interactions, the exchange enhancement parameter α is modified to α(1+γ)−1 where γ is the electron-phonon mass enhancement parameter. The orbital and spin-orbital contributions are mainly modified through the changes in the one-electron energies and wavefunctions.

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Authors and Affiliations

  1. Department of Physics, Berhampur University, 760 007, Berhampur, Orissa, India

    G. S. Tripathi, C. M. Misra & P. Tripathi

  2. Department of Physics, Mesa State College, 81502, Grand Junction, Colorado, USA

    P. K. Misra

Authors
  1. G. S. Tripathi
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  2. C. M. Misra
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  3. P. Tripathi
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  4. P. K. Misra
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Tripathi, G.S., Misra, C.M., Tripathi, P. et al. Effect of electron-phonon interaction on the knight shift. Hyperfine Interact 60, 623–626 (1990). https://doi.org/10.1007/BF02399830

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