Towards a non-singular pre-big-bang cosmology

Strings in background fields

Curtis G. Callan, Daniel Friedan, Emil J. Martinec et al. · Nuclear Physics B · 1985 · 1.6K citations

Background Fields

Curvature squared terms and string theories

Barton Zwiebach · Physics Letters B · 1985 · 1.4K citations

Quantum Field Theory, M-theory, String Theory +1

Pre-big-bang in string cosmology

M. Gasperini, G. Veneziano · Astroparticle Physics · 1993 · 924 citations · Full text

Cosmology, Alternative Cosmology, Quantum Cosmology +1

Strings in Background Fields

Curtis G. Callan · 1989 · 921 citations

Background Fields

Superstrings in the early universe

R. Brandenberger, Cumrun Vafa · Nuclear Physics B · 1989 · 856 citations

M-theory, Supergravity, Cosmology +2