Solution of the Deutsch-Josza Problem by NMR Ensemble Computing without Sensitivity Scaling

Details Solution of the Deutsch-Josza Problem by NMR Ensemble Computing without Sensitivity Scaling Solution of the Deutsch-Josza Problem by NMR Ensemble Computing without Sensitivity Scaling

2000-06-06

arxiv.org/abs/quant-ph/0006024v2

Physics

Quantum Physics

7 page PDF format, no figures. References added to include works by J. M. Myers et al. and A. Kumar et al

Scientific paper

Experimental NMR implementations of the Deutsch-Josza quantum algorithm based on pesudo-pure spin states exhibit an exponential sensitivity scaling with the number of qubits. By employing truly mixed spin states in spin Liouville space, where molecules with different nuclear spin configurations represent different input states, the Deutsch-Josza problem can be solved by single function evaluation without sensitivity loss concomitant with increase of the number of bits.

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