Communications in Mathematical Physics

, Volume 97, Issue 1–2, pp 59–77 | Cite as

On-shell improved lattice gauge theories

  • M. Lüscher
  • P. Weisz


By means of a spectrum conserving transformation, we show that one of the 3 coefficients in Symanzik's improved action can be chosen freely, if only spectral quantities (masses of stable particles, heavy quark potential etc.) are to be improved. In perturbation theory, the other 2 coefficients are however completely determined and their values are obtained to lowest order.


Neural Network Statistical Physic Complex System Gauge Theory Perturbation Theory 
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Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • M. Lüscher
    • 1
  • P. Weisz
    • 2
  1. 1.Deutsches Elektronen-Synchrotron DESYHamburgFederal Republic of Germany
  2. 2.II. Institut für Theoretische Physik der Universität HamburgHamburg 50Federal Republic of Germany

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