Share Email Print
cover

Proceedings Paper

The role of measurement in the recurrence property of discrete timed quantum walks
Author(s): L. Kecskés; T. Kiss; M. Štefaňak; I. Jex
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

The quantum mechanical generalisation of random walks (called Quantum Walks) present us with a broader spectrum of possibilities compared to their classical counterparts. The aim of the presented study is to explore a new portion of this area by incorporating a new step in the process of the Quantum Walk unique to quantum mechanics: the measurement. Our focus lies in the characterising number of the recurrence behaviour of the walk (Polya-number). We observe the effect of the standard projective measurement, a yes-no measurement on the origin and the effect of different measurement schemes (periodic and random) on the definition and the numeric value of the Polya-number.

Paper Details

Date Published: 6 May 2011
PDF: 6 pages
Proc. SPIE 8072, Photon Counting Applications, Quantum Optics, and Quantum Information Transfer and Processing III, 80720U (6 May 2011); doi: 10.1117/12.886813
Show Author Affiliations
L. Kecskés, Research Institute for Solid State Physics and Optics (Hungary)
T. Kiss, Research Institute for Solid State Physics and Optics (Hungary)
M. Štefaňak, Czech Technical Univ. in Prague (Czech Republic)
I. Jex, Czech Technical Univ. in Prague (Czech Republic)


Published in SPIE Proceedings Vol. 8072:
Photon Counting Applications, Quantum Optics, and Quantum Information Transfer and Processing III
Jaromír Fiurásek; Ivan Prochazka, Editor(s)

© SPIE. Terms of Use
Back to Top