Open/closed topological ℂℙ1 sigma model revisited

Shmuel Elitzur, Yaron Oz, Eliezer Rabinovici, Johannes Walcher

Research output: Contribution to journalArticlepeer-review

Abstract

We consider the topological sigma-model on Riemann surfaces with genus g and h holes, and target space ℂℙ1 ≅ S2. We calculate the correlation functions of bulk and boundary operators, and study the symmetries of the model and its most general deformation. We study the open/closed topological field theory (TFT) correspondence by summing up the boundaries. We argue that this summation can be understood as a renormalization of the closed TFT. We couple the model to topological gravity and derive constitutive relations between the correlation functions of bulk and boundary operators.

Original languageEnglish
Article number101
JournalJournal of High Energy Physics
Volume2012
Issue number1
DOIs
StatePublished - Jan 2012

Keywords

  • D-branes
  • Topological Strings

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