Half-Chain Entanglement Entropy in the One-Dimensional Spinless Fermion Model
arXiv:1610.05003 · doi:10.3938/jkps.69.1781
Abstract
We calculate the half-chain entanglement entropy of the ground state in the one-dimensional spinless fermion model. Considering a tiny corner of the Hilbert space represented by matrix product states, we efficiently find the ground state by the infinite time-evolving block decimation. The Schmidt coefficients are used to determine the half-chain entanglement entropy. Using the bond dimension scaling of the half-chain entanglement entropy, we find the critical region, which is consistent with the previous results.
arXiv comment12 pages, 4 figures
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