The topic of this seminar is the simplification of strongly
interacting quantum
field theory at large J, where J is the quantum number of a
state
under some symmetry group such as angular momentum or a global
charge. As an example, I will review...
Holographic duality is a duality between gravitational systems
and non-gravitational systems. In this talk, I will propose a
different approach for understanding holographic duality named as
the exact holographic mapping. The key idea of this...
Many features of Wick-rotated field theory are captured by an
axiomatization using bordisms of smooth manifolds. There are many
variations which have been extensively studied, particularly for
conformal and topological field theories. I will give...
We introduce an abstract model of computation corresponding to
an experiment in which identical, non-interacting bosons are sent
through a non-adaptive linear circuit before being measured. We
show that despite the very limited nature of the model...
The cusp anomalous dimension is an ubiquitous quantity in
four-dimensional gauge theories. It governs the dependence of a
cusped Wilson loop on the ultraviolet cut-off and appears in many
physical quantities. In particular, it controls the infrared...
