Quantum Physics


Generalization of the Bernstein-Vazirani Algorithm Beyond Qubit Systems

Authors: Koji Nagata, Tadao Nakamura, Shahrokh Heidari, Ahmed Farouk, Do Ngoc Diep

First, we review the Bernstein-Vazirani algorithm for determining a bit string. Next, we discuss the generalized Bernstein-Vazirani algorithm for determining a natural number string. Finally, we discuss the generalized Bernstein-Vazirani algorithm for determining an integer string. All of the generalized algorithms presented here have the following structure. Given the set of real values $\{a_1,a_2,a_3,\ldots,a_N\}$ and a special function $g$, we determine $N$ values of the function $g(a_1),g(a_2),g(a_3),\ldots, g(a_N)$ simultaneously. The speed of determining the strings is shown to outperform the best classical case by a factor of $N$ in every case.

Comments: 7 pages

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Submission history

[v1] 2018-09-27 08:18:00

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