Nature of quantum spin liquids of the S=1/2 Heisenberg antiferromagnet on the triangular lattice: A parallel DMRG study
The study used Density-Matrix Renormalization Group (DMRG) to investigate spin liquids in the J1-J2 and J1-J2-J3 Heisenberg antiferromagnets on a triangular lattice. For J1-J2, it found a gapped QSL with short-range correlations. Introducing J3 leads to a critical spin liquid with one gapless mode and quasi-long-range dimer correlations, while spin correlations remain short-ranged.