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cond-mat.stat-mech2007★ 79 cited
Exact relationship between the entanglement entropies of XY and quantum Ising chains
F. Iglói, R. Juhász
We consider two prototypical quantum models, the spin-1/2 XY chain and the quantum Ising chain and study their entanglement entropy, S(l,L), of blocks of l spins in homogeneous or…
cond-mat.stat-mech2007★ 69 cited
Entanglement entropy of aperiodic quantum spin chains
F. Igloi, R. Juhasz, Z. Zimboras
We study the entanglement entropy of blocks of contiguous spins in non-periodic (quasi-periodic or more generally aperiodic) critical Heisenberg, XX and quantum Ising spin chains,…