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Quantum entanglement is the mechanism by which quantum correlations between two sub-systems survive even after being physically separated from an interaction region. The correlations could in principle survive without neither time nor space constraint.
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Is there a classical correspondence of the entanglement entropy in isolated quantum systems?
For an isolated quantum system, one can study the time evolution of entanglement entropy after a quantum quench (always a pure state), which has a rich behaviour in various different models.
However, …
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votes
What is the difference between symmetry protected topological (SPT) order and topological or...
Topological order and symmetry-protected topological (or trivial, as some people would prefer) order are orders that cannot be classified by the conventional Landau symmetry breaking paradigm. People …