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quant-ph2005
Entanglement in Quantum Spin Chains, Symmetry Classes of Random Matrices, and Conformal Field Theory
J. P. Keating, F. Mezzadri
We compute the entropy of entanglement between the first spins and the rest of the system in the ground states of a general class of quantum spin-chains. We show that under cer…
quant-ph2004
Random Matrix Theory and Entanglement in Quantum Spin Chains
J. P. Keating, F. Mezzadri
We compute the entropy of entanglement in the ground states of a general class of quantum spin-chain Hamiltonians - those that are related to quadratic forms of Fermi operators - b…