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Dynamical structure factor of the triangular antiferromagnet: Schwinger boson theory beyond mean field
(American Physical Society, 2018-11)
We compute the zero-temperature dynamical structure factor S(q,ω) of the triangular lattice Heisenberg model (TLHM) using a Schwinger boson approach that includes the Gaussian fluctuations (1/N corrections) of the saddle-point ...