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Physics of Atomic Nuclei

ASYMPTOTIC FREEDOM IN QUANTUM MECHANICS

A.I. Vainshtein, V.A. Novikov, Mikhail A Shifman, V.I. Zakharov

Published Jan 1, 1980• 2 citations
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We study asymptotic entanglement properties of the Hadamard walk with phase parameters on the line using the Fourier representation. We use the von Neumann entropy of the reduced density operator to quantify entanglement between the coin and position degrees of freedom. We investigate obtaining exact expressions for the asymptotic entropy of entanglement, for different classes of initial conditions. We also determine under which conditions the asymptotic entropy of entanglement can be characterized as full, intermediate, or minimum.