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18 papers · 2 filters
Gauge-Mediated Supersymmetry Breaking in String Compactifications
Duiliu-Emanuel Diaconescu, Bogdan Florea, Shamit Kachru +1
We provide string theory examples where a toy model of a SUSY GUT or the MSSM is embedded in a compactification along with a gauge sector which dynamically breaks supersymmetry. We…
New Attractors and Area Codes
Alexander Giryavets
In this note we give multiple examples of the recently proposed New Attractors describing supersymmetric flux vacua and non-supersymmetric extremal black holes in IIB string theory…
Features of deSitter Vacua in M-Theory
Jonathan P. Hsu, Renata Kallosh, Navin Sivanandam
We compute the masses of all moduli in the unstable deSitter vacua arising in the toy model of cosmological M-theory flux compactifications on the G2 holonomy manifolds of [1]. The…
Complex/Symplectic Mirrors
Wu-yen Chuang, Shamit Kachru, Alessandro Tomasiello
We construct a class of symplectic non--Kaehler and complex non--Kaehler string theory vacua, extending and providing evidence for an earlier suggestion by Polchinski and Strominge…
Adaptive Perturbation Theory: Quantum Mechanics and Field Theory
Marvin Weinstein
Adaptive perturbation is a new method for perturbatively computing the eigenvalues and eigenstates of quantum mechanical Hamiltonians that are widely believed not to be solvable by…
N-flation
Savas Dimopoulos, Shamit Kachru, John McGreevy +1
The presence of many axion fields in four-dimensional string vacua can lead to a simple, radiatively stable realization of chaotic inflation.