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quant-ph2015★ 4 cited
Phase diagram of one-, two-, and three-dimensional quantum spin systems derived from entanglement properties
B. Braiorr-Orrs, M. Weyrauch, M. V. Rakov
We study the bipartite entanglement per bond to determine characteristic features of the phase diagram of various quantum spin models in different spatial dimensions. The bipartite…
quant-ph2015★ 6 cited
Numerical studies of entanglement properties in one- and two-dimensional quantum Ising and XXZ models
B. Braiorr-Orrs, M. Weyrauch, M. V. Rakov
We investigate entanglement properties of infinite 1D and 2D spin-1/2 quantum Ising and XXZ models. Tensor network methods (MPS in 1D and TERG and CTMRG in 2D) are used to model th…