159 citations · 870 across the 26 of their papers we have counts for
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hep-th2003★ 2 cited
Gravitational waves from WZW models
Giuseppe D'Appollonio
A brief review is given of the recent solution of a non-compact CFT describing a NS-supported pp-wave background. We will first explain how to compute the three and four-point corr…
hep-th2003★ 67 cited
String interactions in gravitational wave backgrounds
Giuseppe D'Appollonio, Elias Kiritsis
The non-compact CFT of a class of NS-supported pp-wave backgrounds is solved exactly. The associated tree-level covariant string scattering amplitudes are calculated. The S-matrix…