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quant-ph2018
Quantumness of quantum channels
Fereshte Shahbeigi, Seyed Javad Akhtarshenas
Quantum coherence is a fundamental aspect of quantum physics and plays a central role in quantum information science. This essential property of the quantum states could be fragile…
quant-ph2018
How Quantum is a "Quantum Walk"?
F. Shahbeigi, S. J. Akhtarshenas, A. T. Rezakhani
We characterize quantumness of the so-called quantum walks (whose dynamics is governed by quantum mechanics) by introducing two computable measures which are stronger than the vari…