Four loop perturbative expansion for the lattice n vector model

Oct, 1995
29 pages
Published in:
  • Nucl.Phys.B 455 (1995) 619-647
e-Print:
Report number:
  • IFUP-TH-28-95

Citations per year

19962003201020172024012345
Abstract:
We compute the four-loop contributions to the β\beta-function and the anomalous dimension of the field for the O(N)O(N)-invariant NN-vector model. These results are used to compute the second analytic corrections to the correlation length and the general spin-nn susceptibility.
Note:
  • 29 pages, to appear in Nucl. Phys. B, latex, subeqnar, epsf styles needed, one figure, available also as postscript at <a href="http://www1.le.infn.it:8080/caraccio/95.html">this http URL</a> Report-no: IFUP-TH 28/95
  • model: vector
  • lattice field theory
  • symmetry: O(N)
  • renormalization: beta function
  • correlation: length
  • susceptibility
  • correction: higher-order
  • numerical calculations
  • expansion 1/N