### Strings in Non-geometric Backgrounds

**Blumenhagen, R ***(Max-Planck-Institut für Physik, München)*

Monday 25 June 2012, 16:55-17:30

Seminar Room 1, Newton Institute

#### Abstract

We consider closed bosonic string theory with flat background and constant H-flux. Up to linear order in the flux, this is a solution to the string equations of motion and we are able to define a world-sheet conformal field theory framework to compute scattering amplitudes. In the easiest cases of n-point tachyon amplitudes, we use the properties of the Rogers dilogarithm function to speculate about the nature of the product of functions on spacetimes T-dual to the original configuration.

#### Presentation

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