Speaker
Konstantin Zarembo
(Nordita)
Description
Bulk D-branes describe conformal defects on the boundary, and some of them may preserve integrability of the closed string. The 1pt functions in the presence of the defect are overlaps between the boundary state representing the D-brane and the Bethe eigenstate of the spin chain (or string sigma-model). Such overlaps can be efficiently computed using integrability. I will mostly concentrate on domain wall defects in ABJM.