Deformations in closed string theory: Canonical formulation and regularization

Martin Cederwall, Alexander Von Gussich, Per Sundell

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


We study deformations of closed string theory by primary fields of conformal weight (1,1), using conformal techniques on the complex plane. A canonical surface integral formalism for computing commutators in a non-holomorphic theory is constructed, and explicit formulae for deformations of operators are given. We identify the unique regularization of the arising divergences that respects conformal invariance, and consider the corresponding parallel transport. The associated connection is metric compatible and carries no curvature.

Original languageEnglish
Pages (from-to)117-134
Number of pages18
JournalNuclear Physics B
Issue number1-2
Publication statusPublished - 1 Apr 1996

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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