- Centre National de la Recherche ScientifiqueFR1.6k papers
- Columbia UniversityUS1.5k papers
- Lawrence Berkeley National LaboratoryUS1.5k papers
- University of ArizonaUS1.5k papers
- Courant Institute of Mathematical SciencesUS1.4k papers
- University of ChicagoUS1.4k papers
- The Ohio State UniversityUS1.4k papers
- Brookhaven National LaboratoryUS1.3k papers
- University of MichiganUS1.3k papers
- University of WashingtonUS1.3k papers
- University of California, IrvineUS1.3k papers
- The University of TokyoJP1.3k papers
14 papers · 2 filters
Delocalization from Anomaly Inflow and Intersecting Brane Dynamics
Luca Grisa
We study intersecting D-brane models, that describe at low energies a two dimensional chiral fermion theory localized at the intersection. The fermions are coupled to gauge fields…
Domain Walls As Probes Of Gravity
Gia Dvali, Gregory Gabadadze, Oriol Pujolas +1
We show that domain walls are probes that enable one to distinguish large-distance modified gravity from general relativity (GR) at short distances. For example, low-tension domain…
Causality Constrains Higher Curvature Corrections to Gravity
A. Gruzinov, M. Kleban
We show that causality constrains the sign of quartic Riemann corrections to the Einstein-Hilbert action. Our constraint constitutes a restriction on candidate theories of quantum…
Transitions Between de Sitter Minima
Puneet Batra, Matthew Kleban
We investigate the cosmological signatures of instantons mediating tunneling between de Sitter minima. For generic potentials the Coleman-de Luccia instanton does not necessarily e…
Predictive Power of Strong Coupling in Theories with Large Distance Modified Gravity
Gia Dvali
We consider theories that modify gravity at cosmological distances, and show that any such theory must exhibit a strong coupling phenomenon, or else it is either inconsistent or is…
Perturbations of Self-Accelerated Universe
Cedric Deffayet, Gregory Gabadadze, Alberto Iglesias
We discuss small perturbations on the self-accelerated solution of the DGP model, and argue that claims of instability of the solution that are based on linearized calculations are…