Can Less Accurate Be More Accurate? Surpassing Exact Multiplier with Approximate Design on NISQ Quantum Computers

초록

This paper presents a configurable approximate quantum multiplier that integrates approximate and exact controlled adders with a truncation scheme to balance accuracy and circuit complexity in noisy quantum environments. It achieves significant enhancements in error metrics over an exact multiplier, demonstrating its potential for noise-resilient quantum computing in noisy quantum devices.

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