Extremal Entangled Four-Qubit Pure States with Respect to Multiple Entropy Measures

• 来源期刊: 理论物理通讯（英文版）
• 年，卷（期）: 2008,（2）
• 页码范围: 329-332
• 页数: 4页
• 语种: 英文

摘要

Four-qubit entanglement has been investigated using a recent proposed entanglement measure, multiple entropy measures (MEMS). We have performed optimization for the nine different families of states of four-qubit system. Some extremal entangled states have been found.