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A maximally supersymmetric Kondo model
Sarah Harrison, Shamit Kachru, Gonzalo Torroba
We study the maximally supersymmetric Kondo model obtained by adding a fermionic impurity to N=4 supersymmetric Yang-Mills theory. While the original Kondo problem describes a defe…
A Simple Harmonic Universe
Peter W. Graham, Bart Horn, Shamit Kachru +2
We explore simple but novel bouncing solutions of general relativity that avoid singularities. These solutions require curvature k=+1, and are supported by a negative cosmological…
Towards a holographic marginal Fermi liquid
Kristan Jensen, Shamit Kachru, Andreas Karch +2
We present an infinite class of 2+1 dimensional field theories which, after coupling to semi-holographic fermions, exhibit strange metallic behavior in a suitable large limit.…
Generalized Attractor Points in Gauged Supergravity
Shamit Kachru, Renata Kallosh, Marina Shmakova
The attractor mechanism governs the near-horizon geometry of extremal black holes in ungauged 4D N=2 supergravity theories and in Calabi-Yau compactifications of string theory. In…
Effective Field Theory of Fractional Quantized Hall Nematics
Michael Mulligan, Chetan Nayak, Shamit Kachru
We present a Landau-Ginzburg theory for a fractional quantized Hall nematic state and the transition to it from an isotropic fractional quantum Hall state. This justifies Lifshitz-…