alexa Quantum networks for elementary arithmetic operations
Mathematics

Mathematics

Journal of Physical Mathematics

Author(s): Vlatko Vedral, Adriano Barenco, Artur Ekert

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Quantum computers require quantum arithmetic. We provide an explicit construction of quantum networks effecting basic arithmetic operations: from addition to modular exponentiation. Quantum modular exponentiation seems to be the most difficult (time and space consuming) part of Shor’s quantum factorizing algorithm. We show that the auxiliary memory required to perform this operation in a reversible way grows linearly with the size of the number to be factorized. © 1996 The American Physical Society.

This article was published in Physical Review A and referenced in Journal of Physical Mathematics

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