Classical ground states, spin-wave and PCUT analysis of ${\mathrm{H}}_2\mathrm{SQ}$ system

Vikas Vijigiri, Saptarshi Mandal

We study an organic Hydrogen bonded material ${\mathrm{H}}_2\mathrm{SQ}$ analytically and map out the phase diagram as well as low energy excitations in the relevant parameter space. At zeroth or…