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Factorizing Numbers with the Gauss Sum Technique: NMR Implementations

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arxiv quant-ph/0701205 v2 pith:L2NRUJMX submitted 2007-01-29 quant-ph

Factorizing Numbers with the Gauss Sum Technique: NMR Implementations

classification quant-ph
keywords gaussfactorssumsfactorizingmagnetizationalgorithmalgorithmsaveraging
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Several physics-based algorithms for factorizing large number were recently published. A notable recent one by Schleich et al. uses Gauss sums for distinguishing between factors and non-factors. We demonstrate two NMR techniques that evaluate Gauss sums and thus implement their algorithm. The first one is based on differential excitation of a single spin magnetization by a cascade of RF pulses. The second method is based on spatial averaging and selective refocusing of magnetization for Gauss sums corresponding to factors. All factors of 16637 and 52882363 are successfully obtained.

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