Lecturer: Dr. Amit Sever
Affiliation: School of Physics and Astronomy,
Tel-Aviv University
Abstract:
Gauge theories lie at the heart of our
understanding of the elementary particles in
nature. Moreover, through the gauge-gravity
duality they also provide us with a non-
perturbative description of quantum gravity.
Yet, we lack of the mathematical tools to
describe phenomena at generic strength of the
interaction. In this talk we will survey some of
the exciting recent developments in exploring
gauge theories and their dual description in
terms of strings at finite coupling. The main
objective of our study will be a most symmetric
gauge theory known as N=4 super Yang-Mills
theory. That theory is expected to play an
analogues role in Quantum Field Theory to the
one played by the Hydrogen atom in Chemistry.
We will review new techniques that are
motivated by the dual string description and are
based on Integrability and Holography. These
techniques allow for the first time exact
computation of dynamical quantities at any
strength of the interaction. We will focus on the
computation of scattering amplitudes and will
present a new result for the full six gluon
amplitude at finite coupling.