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cond-mat.stat-mech2010★ 107 cited
Measuring entanglement using quantum quenches
John Cardy
We show that block entanglement entropies in one-dimensional systems close to a quantum critical point can in principle be measured in terms of the population of low-lying energy l…
hep-th2010★ 333 cited
Entanglement entropy of two disjoint intervals in conformal field theory II
Pasquale Calabrese, John Cardy, Erik Tonni
We continue the study of the entanglement entropy of two disjoint intervals in conformal field theories that we started in J. Stat. Mech. (2009) P11001. We compute Trρ_A^n for any…