HEP Theory Journal Club

The flat-space limit of AdS/CFT

Yue-Zhou Li

McGill

There are different descriptions of extracting amplitudes from taking the flat-space limit of AdS/CFT, include momentum space, Mellin space, coordinate space, partial-wave expansion, and impact parameter space. We will review the first three descriptions. We will then show how to connect them and explain the common origin. Finally, we will discuss a possible generalization to spinning operators.