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Universality of the Volume Bound in Slow-Roll Eternal Inflation
Sergei Dubovsky, Leonardo Senatore, Giovanni Villadoro
It has recently been shown that in single field slow-roll inflation the total volume cannot grow by a factor larger than e^(S_dS/2) without becoming infinite. The bound is saturate…
Massive Cosmologies
G. D'Amico, C. de Rham, S. Dubovsky +3
We explore the cosmological solutions of a recently proposed extension of General Relativity with a Lorentz-invariant mass term. We show that the same constraint that removes the B…
Effective field theory for hydrodynamics: Wess-Zumino term and anomalies in two spacetime dimensions
Sergei Dubovsky, Lam Hui, Alberto Nicolis
We develop the formalism that incorporates quantum anomalies in the effective field theory of non-dissipative fluids. We consider the effect of adding a Wess-Zumino-like term to th…
Effective field theory for hydrodynamics: thermodynamics, and the derivative expansion
Sergei Dubovsky, Lam Hui, Alberto Nicolis +1
We consider the low-energy effective field theory describing the infrared dynamics of non-dissipative fluids. We extend previous work to accommodate conserved charges, and we clari…
Axion monodromy in a model of holographic gluodynamics
Sergei Dubovsky, Albion Lawrence, Matthew M. Roberts
The low energy field theory for N type IIA D4-branes at strong 't Hooft coupling, wrapped on a circle with antiperiodic boundary conditions for fermions, is known to have a vacuum…