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Magnetic AdS x R^2: Supersymmetry and stability
Ahmed Almuhairi, Joseph Polchinski
We study AdS/CFT with a Kaluza-Klein magnetic field in one plane. By appropriate choice of magnetic U(1), and by balancing the magnetic field against the background D field, we obt…
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.…
Comment on [arXiv:1106.1417] "Small Lorentz violations in quantum gravity: do they lead to unacceptably large effects?"
Joseph Polchinski
A recent paper by Gambini, Rastgoo and Pullin [arXiv:1106.1417 investigates the important issue of constraints from Lorentz invariance on Planck scale physics, arguing that the cla…
Wilson Loop Renormalization Group Flows
Joseph Polchinski, James Sully
The locally BPS Wilson loop and the pure gauge Wilson loop map under AdS/CFT duality to string world-sheet boundaries with standard and alternate quantizations of the world-sheet f…