%0 Conference Proceedings
%T D-instantons and twistors
%+ Laboratoire de Physique Théorique et Astroparticules (LPTA)
%A Alexandrov, Sergey
%F Invité
%< avec comité de lecture
%Z 09-058
%B Symposium on Theoretical and Mathematical Physics
%C St. Petersburg, Russia
%8 2009-07-03
%D 2009
%Z Physics [physics]/High Energy Physics - Theory [hep-th]Conference papers
%X I'll review the recent progress in understanding of non-perturbative effects in Calabi-Yau compactifications of type II string theories. I'll show that combining non-perturbative symmetries and dualities of string theory with a geometric framework based on certain twistor spaces, it is possible to find all D-brane instanton corrections to the hypermultiplet moduli space of compactified string theory. These corrections are encoded in a simple dilogarithm function and have a nice geometric description. Besides, this approach allows also to obtain a non-perturbative generalization of the classical mirror map and has various relations to other aspects of stringy non-perturbative physics.
%G English
%L hal-00412948
%U https://hal.science/hal-00412948
%~ IN2P3
%~ LPTA
%~ CNRS
%~ UNIV-MONTP2
%~ UNIV-MONTPELLIER
%~ UM1-UM2