New results on the integrable structure of CFT.
Lundi 19/10/2009, 11:00
Salle Claude Itzykson, Bât. 774, Orme des Merisiers

The Grassmann structure of the critical XXZ spin chain is studied in the limit to conformal field theory. A new description of Virasoro Verma modules is proposed in terms of Zamolodchikov's integrals of motion and two families of fermionic creation operators. It is argued that this picture is compatible with integrable perturbations.

Contact : Vincent PASQUIER


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