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Measuring entanglement using quantum quenches |
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| Authors: | Cardy John |
| Affiliation: | Rudolf Peierls Centre for Theoretical Physics, Oxford University, 1 Keble Road, Oxford, OX1 3NP, United Kingdom. |
| Abstract: | 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 levels following a certain type of local quantum quench. |
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