Instantons and Scattering

  • Bonelli G. 
  • Bonora L. 
  • Nesti F. 
  • Tomasiello A. 
  • Terna S. 
Conference paper


This is a review of some recent developments in the study of classical solutions of Yang-Mills theories in various dimensions and their significance in the path integral of the corresponding theories. These particular solutions are called instantons because of their kinship with ordinary instantons. Just as ordinary instantons interpolate between different vacua, the new instantons interpolate between different asymptotic states. Therefore they represent scattering phenomena. Here we review the two dimensional and four dimensional Yang-Mills case.


Modulus Space Riemann Surface Branch Point Vertex Operator Zero Mode 
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Copyright information

© Springer-Verlag Italia 2002

Authors and Affiliations

  • Bonelli G. 
    • 1
  • Bonora L. 
    • 2
  • Nesti F. 
    • 3
  • Tomasiello A. 
    • 4
  • Terna S. 
    • 3
  1. 1.Spinoza InstituteUniversity of UtrechtCE UtrechtThe Netherlands
  2. 2.S.I.S.S.A., ISASTriesteItaly
  3. 3.International School for Advanced Studies (S.I.S.S.A./ISAS), and INFN, Sezione di TriesteTriesteItaly
  4. 4.International School for Advanced Studies (S.I.S.S.A./ISAS)TriesteItaly

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