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Department of Mathematical Sciences

Seminar Archives

On this page you can find information about seminars in this and previous academic years, where available on the database.

Maths HEP Lunchtime Seminars: A new family of supersymmetric Wilson loops and their string theory duals

Presented by Riccardo Ricci, Imperial College, London

25 April 2008 13:00 in CM221

In this talk I will present a new family of supersymmetric Wilson loop operators in N=4 supersymmetric Yang-Mills theory. These operators are naturally defined on a 3-sphere in space-time and generically preserve two supercharges of the N=4 superconformal algebra. I will then discuss these operators in string theory and show that the dual string solutions satisfy a first order differential equation. This equation expresses the fact that the strings are "pseudo-holomorphic" surfaces with respect to a novel almost complex structure.

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