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arXiv:1411.5949quant-ph

Quantum arithmetic with the Quantum Fourier Transform

Lidia Ruiz-Perez, Juan Carlos Garcia-Escartin

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Abstract

The Quantum Fourier Transform offers an interesting way to perform arithmetic operations on a quantum computer. We review existing Quantum Fourier Transform adders and multipliers and propose some modifications that extend their capabilities. Among the new circuits, we propose a quantum method to compute the weighted average of a series of inputs in the transform domain.

arXiv comments
14 pages, 5 figures. Revised version with corrected and expanded results. Comments are welcome
Journal reference
Quantum Inf Process (2017) 16: 152
DOI
doi:10.1007/s11128-017-1603-1
Subjects
quant-phQuantum Physics

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  1. The radix 2^51 trick (2017) 1 comment
    • Hopefully this will all be replaced with quantum computer that does addition with ripple carry or uses QFT... :) https://link.springer.com/article/10.1007/s11432-015-5411-x https://arxiv.org/pdf/1411.5949.pdf

      waynecochranView on HNParent context

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