Radiation and a dynamical UV/IR connection in AdS/CFT

Understand

We compute holographically the expectation value of the energy density sourced, in a strongly-coupled CFT, by a quark with large but finite mass (or equivalently, small but finite Compton radius) undergoing arbitrary motion.

• The resulting gluonic profile has two surprising features in the far region.
• First, besides the expected radiation, it contains a component that is attributable to the `intrinsic' or `near' field of the quark, and nevertheless falls off as the square of the distance.
• Second, even at distances much larger than the size of the quark, it differs from the profile set up by a pointlike quark.