Effects of quantum impurity spins on the magnetic properties of zigzag and linear spin chains

Koushik Karmakar, Markos Skoulatos, Giacomo Prando +5

We investigated the magnetic ground state and low-energy excitations of the spin chains compounds SrCuO${}_2$ (zigzag chains) and Sr${}_2$CuO${}_3$ (linear chains) in the presence…