Approximate Quantum State Sharings via Pair of Private Quantum Channels

• 作者: Dong Pyo Chi Kabgyun Jeong
• 来源期刊: 量子信息科学期刊(英文)
• 学科: 物理学
• 关键词: QUANTUM State SHARING (Approximate) PRIVATE QUANTUM Channel Trace NORM
• 年，卷（期）: 2014,（1）
• 页码范围: 64-70
• 页数: 7页
• 分类号: O41

摘要

We investigate a quantum communication protocol, of so-called approximate quantum state sharing (AQSS), that protocol is basically based on pair of private quantum channels. In this paper, we prove that the scheme is secure against any external and internal attacks of wiretapping in principle. Although the protocol leaks small amount of information corresponding to a security parameter , the scheme still preserves its information-theoretic security.