Journal of Low Temperature Physics

, Volume 53, Issue 3–4, pp 419–423 | Cite as

On the effect of Umklapp processes in one-dimensional conductors

  • C. Seidel
  • V. N. Prigodin


Using a modified renormalization group (RG) approach, we study the effect of Umklapp processes for arbitrary band filling. In order to confirm the behavior of invariant coupling obtained previously by means of certain approximations, we present the results of a numerical solution of the RG equations. Considering the response functions of a one-dimensional conductor, we show that Umklapp processes are irrelevant for T<|δμ|, where δμ is the deviation of the Fermi energy from the commensurability level.


Response Function Magnetic Material Renormalization Group Fermi Energy Renormalization Group Equation 
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Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • C. Seidel
    • 1
  • V. N. Prigodin
    • 1
  1. 1.A. F. Ioffe Physico-Technical InstituteUSSR Academy of SciencesLeningradUSSR

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