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    STUDIA PHYSICA - Issue no. 1-2 / 2018  
         
  Article:   RENORMALIZATION FUNCTION FOR THE ELECTRON-FLEXURAL PHONON INTERACTION.

Authors:  I. GROSU.
 
       
         
  Abstract:  
DOI: 10.24193/subbphys.2018.13

Published Online: 2018-12-20
Published Print: 2018-12-20
pp. 127-132

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The renormalization function for the electron-phonon interaction is discussed. The system is considered as two-dimensional, and we consider the case of flexural phonons. The flexural phonons have a dispersion which is linear for wave-vectors less than a critical value qc, and quadratic for q > qc. The renormalization function differs from the standard expression, and leads to modifications of the normal and superconducting properties of materials.

Keywords: Renormalization function, two-dimensional systems, flexural phonons.
 
         
     
         
         
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