Short-Time Effects of Environment to Josephson Charge Qubit： A Master Equation Approach

• 作 者: LI Zhi-Qiang LIANG Xian-Ting
• 机 构: DepartmentofPhysicsandInstituteofModernPhysics
• 出 处: 理论物理通讯：英文版
• 发表日期: 2008年7期
• 关键词: 脱散技术 电荷 方程式 短时间作用 环境变换 decoherence master equation Josephson charge qubit
• 基金项目: The project supported by National Natural Science Foundation of China under Grant No. 10675066 and K.C. Wong Magna Foundation in Ningbo University

<正> In this paper we investigate an environmental effects to Josephson charge qubit (JCQ) when the environmentis taken as the Ohmic bath.At first,we derive the master equation from a JCQ-bath model.Then we investigate thecoefficients of the equation