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Is there a string theory landscape?

2004; Springer Nature; Volume: 2004; Issue: 08 Linguagem: Inglês

10.1088/1126-6708/2004/08/058

1127-2236

Tom Banks, Michael Dine, Elie Gorbatov,

Particle physics theoretical and experimental studies

We examine recent claims of a large set of flux compactification solutions of string theory. We conclude that the arguments for AdS solutions are plausible. The analysis of meta-stable dS solutions inevitably leads to situations where long distance effective field theory breaks down. We then examine whether these solutions are likely to lead to a description of the real world. We conclude that one must invoke a version of the anthropic principle which insists on carbon based life forms. We explain why it is likely that this leads to a prediction of low energy supersymmetry breaking, but that many features of anthropically selected flux compactifications are likely to disagree with experiment.