3 papers
hep-th1993
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…
hep-th1993
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.…
hep-th1993
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…