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13 papers · 2 filters
Cosmic Superstrings Stabilized by Fermions
Jose J. Blanco-Pillado, Alberto Iglesias
We show that there exist massive perturbative states of the ten dimensional Green-Schwarz closed superstring that are stabilized against collapse due to presence of fermionic zero…
Topological Mass Generation in Four Dimensions
Gia Dvali, R. Jackiw, So - Young Pi
Schwinger's mechanism for mass generation relies on topological structures of a 2-dimensional gauge theory. In the same manner, corresponding 4-dimensional topological entities giv…
Quantum Cosmology of Classically Constrained Gravity
Gregory Gabadadze, Yanwen Shang
In hep-th/0506040 we discussed a classically constrained model of gravity. This theory contains known solutions of General Relativity (GR), and admits solutions that are absent in…
Multitrace Deformations of Vector and Adjoint Theories and their Holographic Duals
S. Elitzur, A. Giveon, M. Porrati +1
We present general methods to study the effect of multitrace deformations in conformal theories admitting holographic duals in Anti de Sitter space. In particular, we analyse the c…
Supersymmetry and Stability of Flux Vacua
Jose J. Blanco-Pillado, Renata Kallosh, Andrei Linde
We describe a modified KKLT mechanism of moduli stabilization in a supersymmetric Minkowski vacuum state. In this mechanism, supersymmetry ensures vacuum stability and positivity o…
A Vacuum Accumulation Solution to the Strong CP Problem
Gia Dvali
We suggest a solution to the strong CP problem in which there are no axions involved. The superselection rule of the θ-vacua is dynamically lifted in such a way that an infinite nu…