Measuring entanglement using quantum quenches.
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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| Aineistotyyppi: | Journal article |
| Kieli: | English |
| Julkaistu: |
2011
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