Experimental realization of information transmission between not-directly-coupled spins on NMR quantum computers

• 来源期刊: 中国物理（英文版）
• 关键词: information transmission quantum superdense coding nuclear magnetic resonance spectrometer
• 年，卷（期）: 2004,（6）
• 页码范围: 817-823
• 页数: 7页
• 语种: 英文

摘要

This paper presents a simple scheme for information transmission between two non-directly interactive qubits in an n-qubit system. An example has been realized on a three-qubit nuclear magnetic resonance(NMR) spectrometer quantum computer. The experimental result successfully demonstrates that the feasible measure can also be extended to other quantum logical gates, or other quantum algorithms, where some qubits have no direct interactions in a multi-qubit system.