269 citations · 696 across the 8 of their papers we have counts for
8 papers · 1 filter
On the Vacuum Structure of Type II String Compactifications on Calabi-Yau Spaces with H-Fluxes
G. Curio, A. Klemm, D. Luest +1
We discuss the vacuum structure of type IIA/B Calabi-Yau string compactifications to four dimensions in the presence of n-form H-fluxes. These will lift the vacuum degeneracy in th…
Perturbative Couplings of Vector Multiplets in Heterotic String Vacua
Bernard de Wit, Vadim Kaplunovsky, Jan Louis +1
We study the low-energy effective Lagrangian of heterotic string vacua at the classical and quantum level. The couplings of the vector multiplets are uniquely determined at t…
Superstring Gravitational Wave Backgrounds with Spacetime Supersymmetry
E. Kiritsis, C. Kounnas, D. Luest
We analyse the stringy gravitational wave background based on the current algebra . We determine its exact spectrum and construct the modular invariant vacuum energy. Th…
Gravitational and Axionic Backgrounds for Four-dimensional Superstrings
Dieter Luest
We construct new four-dimensional superstring vacua with extended superconformal symmetries. A non-trivial dilaton background implies the existence of Abelian killing symmetries. T…
Cosmological String Backgrounds
Dieter Luest
Talk given at the ``4th Hellenic School on Elementary Particle Physics", Corfu, 2-20 September 1992: The propagation of strings in cosmological space-time backgrounds is reviewed.…
Consistency and Phenomenology of Four-Dimensional Strings
Dieter Luest
Talk given at the 26th Workshop: ``From Superstrings to Supergravity" Erice - Sicily, 5-12 December 1992: In this talk we discuss string consistency requirements on four dimensiona…