Möbius Quantum Walk

Abstract

By adding an extra Hilbert space to Hadamard Quantum Walk on Cycles (QWC), we presented a new type of QWCs called Möbius Quantum Walk (MQW). The new space configuration enables the particle to rotate around the axis of movement. We defined factor $\alpha$ as the Möbius factor which is number of rotations per cycle. So by $\alpha =0$ we have normal QWC, while $\alpha \ne 0$ defines new type of QWC (namely Möbius Quantum Walk). Specially $\alpha =\frac{1}{2}$ defines a structure similar to Möbius strip. We analytically investigated this new type of QW and found that by tuning the parameter $\alpha$ we can reach uniform distribution for any number of nodes, while it is impossible for QWC. The effects of $\alpha$ on limiting distribution have been investigated and an explicit formula for non-uniform cases has been derived as well.

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Cited by in corpus (1)

• Improving quantum walk metrology with split-step quantum walk