Spin Dynamics of La2CuO4 and the Two-Dimensional Heisenberg Model
Abstract
The spin-lattice relaxation rate 1/T1 and the spin echo decay rate 1/T2G for the 2D Heisenberg model are calculated using quantum Monte Carlo and maximum entropy analytic continuation. The results are compared to recent experiments on La2CuO4, as well as predictions based on the non-linear σ-model.
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