Westerfeld, Daniel; Großpietsch, Maxime; Kakuschke, Hannes; Frahm, Holger
(Bristol : IOP Publ., 2023)
We study reduced density matrices of the integrable critical restricted solid-on-solid (RSOS) model in a particular topological sector containing the ground state. Similar as in the spin- 1/2 Heisenberg model it has been ...