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SUMMARY:Translation invariant defects in two dimensions and integrable per
 turbations - Gerard Watts (King's College London)
DTSTART:20251208T093000Z
DTEND:20251208T103000Z
UID:TALK239224@talks.cam.ac.uk
DESCRIPTION:We consider translation invariant defects in two dimensions an
 d their properties. Two classes of such defects are operators implementing
  generalised Gibbs ensembles (GGEs)\, and chiral perturbations of topologi
 cal defects. We investigate non-local charges for perturbations of two-dim
 ensional conformal field theories that arise as chiral perturbations in th
 is way. We find solutions for a wide range of perturbations including the 
 well-known (1\,2)\, (1\,3) and (1\,5) integrable perturbations of Virasoro
  minimal models (with associated local conserved charges)\, but we also fi
 nd solutions for other bulk perturbations\, such as (1\,7)\, and we contra
 st this with the (non) existence of local conserved charges. Based on work
  with F Ambrosino\, M Downing\, F Karimi\, A Konechny\, I Runkel\, T Sengu
 pta and A Sudhakar.
LOCATION:Seminar Room 1\, Newton Institute
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