2018年04月12日に初出の投稿

Last modified: 2018-04-12

As quantum computers have become available to the general public, the need has arisen to train a cohort of quantum programmers, many of whom have been developing classic computer programs for most of their career. While currently available quantum computers have less than 100 qubits, quantum computer hardware is widely expected to grow in terms of qubit counts, quality, and connectivity. Our article aims to explain the principles of quantum programming, which are quite different from classical programming, with straight-forward algebra that makes understanding the underlying quantum mechanics optional (but still fascinating). We give an introduction to quantum computing algorithms and their implementation on real quantum hardware. We survey 20 different quantum algorithms, attempting to describe each in a succintc and self-contained fashion; we show how they are implemented on IBM's quantum computer; and in each case we discuss the results of the implementation with respect to differences of the simulator and the actual hardware runs. This article introduces computer scientists and engineers to quantum algorithms and provides a blueprint for their implementations.

Quantum Algorithm Implementations for Beginners

「量子コンピューティングは、まだプログラミング言語が存在しない」などと通俗本で書かれていたのは、つい数年前の話だった。それがいまや、こういう基礎的なレベルの解説を担う論説まで公開され、無料で読めるようになったのは感慨深い。

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