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most citedTwo-dimensional quantum central limit theorem by quantum walks

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math-ph2020

The Witten Index for One-dimensional Non-unitary Quantum Walks with Gapless Time-evolution

Keisuke Asahara, Daiju Funakawa, Motoki Seki +1

Recent developments in the index theory of discrete-time quantum walks allow us to assign a certain well-defined supersymmetric index to a pair of a unitary time-evolution and…