Corpus ID: 15567075

$R^4$ terms in supergravity and M-theory

  title={\$R^4\$ terms in supergravity and M-theory},
  author={Paul S. Howe},
  • Paul S. Howe
  • Published 2004
  • Physics
  • Higher-order invariants and their role as possible counterterms for supergravity theories are reviewed. It is argued that N=8 supergravity will diverge at 5 loops. The construction of $R^4$ superinvariants in string and M-theory is discussed.