Unitary equivalence classes of split-step quantum walks

Unitary equivalence classes of split-step quantum walks

This study investigates the unitary equivalence of split-step quantum walks (SSQW). We consider a new class of quantum walks which includes all SSQWs. We show the explicit form of quantum walks in this class, and clarify their unitary equivalence classes. Unitary equivalence classes of Suzuki's...

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Hauptverfasser: Narimatsu, Akihiro, Ohno, Hiromichi, Wada, Kazuyuki
Format: Artikel
Sprache:eng
Schlagworte:
Mathematics - Mathematical Physics
Physics - Mathematical Physics
Physics - Quantum Physics
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Beschreibung
Zusammenfassung:This study investigates the unitary equivalence of split-step quantum walks (SSQW). We consider a new class of quantum walks which includes all SSQWs. We show the explicit form of quantum walks in this class, and clarify their unitary equivalence classes. Unitary equivalence classes of Suzuki's SSQW are also given.
DOI:10.48550/arxiv.2104.13529