Le contenu de cette page n’est pas disponible en français. Veuillez nous en excuser.

A K matrix construction of symmetry enriched phases

Playing this video requires the latest flash player from Adobe.

Download link (right click and 'save-as') for playing in VLC or other compatible player.

Recording Details

Scientific Areas: 
PIRSA Number: 


We construct in the K matrix formalism concrete examples
of symmetry enriched topological phases, namely intrinsically topological
phases with global symmetries. We focus on the Abelian and non-chiral
topological phases and demonstrate by our examples how the interplay between
the global symmetry and the fusion algebra of the anyons of a topologically
ordered system determines the existence of gapless edge modes protected by the
symmetry and that a (quasi)-group structure can be defined among these phases.
Our examples include phases that display charge fractionalization and more
exotic non-local anyon exchange under global symmetry that correspond to
general group extensions of the global symmetry group.