Browsing by Subject "winding numbers"

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  • Cedzich, C.; Geib, T.; Stahl, C.; Velázquez, L.; Werner, A.H.; Werner, R.F. (Wien : Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften, 2018)
    We provide a classification of translation invariant one-dimensional quantum walks with respect to continuous deformations preserving unitarity, locality, translation invariance, a gap condition, and some symmetry of the ...