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The Volume of the Universe after Inflation and de Sitter Entropy
Sergei Dubovsky, Leonardo Senatore, Giovanni Villadoro
We calculate the probability distribution for the volume of the Universe after slow-roll inflation both in the eternal and in the non-eternal regime. Far from the eternal regime th…
Astrophysical Probes of Unification
Asimina Arvanitaki, Savas Dimopoulos, Sergei Dubovsky +3
Traditional ideas for testing unification involve searching for the decay of the proton and its branching modes. We point out that several astrophysical experiments are now reachin…
Superluminal Travel Made Possible (in two dimensions)
Sergei Dubovsky, Sergey Sibiryakov
We argue that superluminal signal propagation is possible in consistent Poincare invariant quantum field theories in two space-time dimensions, provided spatial parity is broken. T…
(No) Eternal Inflation and Precision Higgs Physics
Nima Arkani-Hamed, Sergei Dubovsky, Leonardo Senatore +1
Even if nothing but a light Higgs is observed at the LHC, suggesting that the Standard Model is unmodified up to scales far above the weak scale, Higgs physics can yield surprises…