Solution of the Deutsch-Josza Problem by NMR Ensemble Computing without Sensitivity Scaling
F. M. Woodward, R. Brüschweiler
Abstract
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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