Hermitean matrix model free energy: Feynman graph technique for all genera

Apr, 2005
14 pages
Published in:
  • JHEP 03 (2006) 014
e-Print:
Report number:
  • SPHT-T05-046

Citations per year

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Abstract:
We present a diagrammatic technique for calculating the free energy of the Hermitian one-matrix model to all orders of 1/N expansion in the case where the limiting eigenvalue distribution spans arbitrary (but fixed) number of disjoint intervals (curves).
Note:
  • 14 pages, latex Report-no: SPhT-T05/046
  • matrix model
  • perturbation theory: higher-order
  • expansion 1/N
  • energy
  • field equations: solution
  • Riemann surface