Possibility of Gapless Spin Liquid State by One-dimensionalization

Yuta Hayashi, Masao Ogata

Motivated by the observation of a gapless spin liquid state in $\kappa$-(BEDT-TTF)${}_2$Cu${}_2$(CN)${}_3$, we analyze the anisotropic triangular lattice $S=1/2$ Heisenberg model with the res…