Generalized Quantum Control-Not Gate in Two-Spin Ising System

Abstract

The physical implementation of the quantum Control-Not gate for a two-spin system is investigated numerically. The concept of a generalized quantum Control-Not gate, with arbitrary phase shift, is introduced. It is shown that a resonant $\pi$-pulse provides a simple example of a generalized quantum Control-Not gate.

arXiv comment8 pages, 4 figures

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