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Holographic Charge Oscillations
Mike Blake, Aristomenis Donos, David Tong
The Reissner-Nordstrom black hole provides the prototypical description of a holographic system at finite density. We study the response of this system to the presence of a local,…
ADHM Revisited: Instantons and Wilson Lines
David Tong, Kenny Wong
We revisit the well-studied D0-D4 system of D-branes and its relationship to the ADHM construction. It is well known that the D0-branes appear as instantons in the D4-brane worldvo…
Quantum Dynamics of Supergravity on R^3 x S^1
David Tong, Carl Turner
We study the quantum dynamics of N=1 supergravity in four dimensions with a compact spatial circle. Supersymmetry ensures that the perturbative contributions to the Casimir energy…
Intersecting Branes, Domain Walls and Superpotentials in 3d Gauge Theories
Daniele Dorigoni, David Tong
We revisit the Hanany-Witten brane construction of 3d gauge theories with N=2 supersymmetry. Instantons are known to generate a superpotential on the Coulomb branch of the theory.…
The Holographic Dual of AdS3 x S3 x S3 x S1
David Tong
We construct the two dimensional N=(0,4) gauge theory that lives on the world volume of D1-branes and intersecting D5-branes. We conjecture that this theory flows in the infra-red…
Monopoles and Wilson Lines
David Tong, Kenny Wong
We present a semi-classical description of BPS monopoles interacting with Wilson lines. The Wilson lines are represented as non-Abelian spin impurities. These spins interact with t…