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Talk1 h 29 min

Cosmology without a beginning

Gabriele Veneziano · CERN

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About

Most of the puzzles with standard big bang cosmology can be avoided if the big bang is NOT identified with the beginning of time. The short-distance cutoff and duality symmetries of superstring theory suggest a new (so-called pre-big bang) cosmology in which the birth of our Universe is the result of a long classical evolution characterized by a gravitational instability. I will motivate and describe this heretical scenario and compare its phenomenological implications with those of ortodox (post-big bang) inflation..

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The talk

  1. Cosmology without a beginning 2000-12-07 · 1 h 29 min · CERN's player

Credits and licence

Institution
CERN
Speaker
Gabriele Veneziano
Year
2000
Language
English
Subjects
Astronomy and space
Source
CERN
Licence
CERN, as CERN states it. CERN's terms
Attribution
© CERN. CERN provides its audiovisual media free of charge for educational and informational use, credited to CERN; this lecture is shown in CERN's own player.
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