A possible chiral spin-liquid phase in non-centrosymmetric $R$BaCo${}_4$O${}_7$

D. D. Khalyavin, P. Manuel, L. C. Chapon

Based on a symmetry approach, we propose a possible explanation of the weak ferromagnetic component recently observed in YBaCo${}_3$FeO${}_7$ (Valldor et al. Phys Rev B, $84$ 224…