Spin order, spin excitations, and RIXS spectra of spin-1/2 tetramer chains

Junli Li, Jun-Qing Cheng, Trinanjan Datta +1

We investigate the spin dynamics of a 1D spin-1/2 Heisenberg tetramer chain. Employing a combination of Density Matrix Renormalization Group, quantum renormalization group, and per…