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math-ph2004★ 3 cited
Robustness of dynamical entropy
M. Fannes, B. Haegeman, D. Vanpeteghem
When quantifying the mixing properties of a quantum dynamical system in terms of dynamical entropy, the following scheme appears natural: observe the state of the system at regular…
math-ph2003★ 32 cited
Entropy growth of shift-invariant states on a quantum spin chain
M. Fannes, B. Haegeman, M. Mosonyi
We study the entropy of pure shift-invariant states on a quantum spin chain. Unlike the classical case, the local restrictions to intervals of length are typically mixed and ha…