Fractional recurrence in discrete-time quantum walk

• Autorzy: C. Chandrashekar
• Języki publikacji: EN

Abstrakty

EN

Quantum recurrence theorem holds for quantum systems with discrete energy eigenvalues and fails to hold in general for systems with continuous energy. We show that during quantum walk process dominated by interference of amplitude corresponding to different paths fail to satisfy the complete quantum recurrence theorem. Due to the revival of the fractional wave packet, a fractional recurrence characterized using quantum Pólya number can be seen.

Słowa kluczowe

EN

quantum walk, recurrence; polya number

• Czasopismo: Open Physics
• Rocznik: 2010
• Tom: 8
• Numer: 6
• Strony: 979-988

Daty

wydano

2010-12-01

online

2010-09-05

Twórcy

autor

C. Chandrashekar,

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Identyfikatory

DOI

10.2478/s11534-010-0023-y