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hep-th2004
String amplitudes in the Hpp-wave limit of AdS3xS3
M. Bianchi, G. D'Appollonio, E. Kiritsis +1
We compute string amplitudes on pp-waves supported by NS-NS 3-form fluxes and arising in the Penrose limit of AdS3xS3xM. We clarify the role of the non-chiral accidental SU(2) symm…
hep-th2004
Landau-Ginzburg Description of Boundary Critical Phenomena in Two Dimensions
A. Cappelli, G. D'Appollonio, M. Zabzine
The Virasoro minimal models with boundary are described in the Landau-Ginzburg theory by introducing a boundary potential, function of the boundary field value. The ground state fi…