Spin-Polarized Transport Through a Quantum Dot Coupled to Ferromagnetic Leads： Kondo Correlation Eff

• 作 者: MAJing DONGBing LEIXiao-Lin
• 机 构: DepartmentofPhysics
• 出 处: 理论物理通讯：英文版
• 发表日期: 2005年2期
• 关键词: 量子点 Kondo修正效应 磁致电阻 自旋偏振输运 铁磁体 quantum dot kondo correlation effect transport
• 基金项目: 国家自然科学基金，国家重点基础研究发展计划(973计划)

We investigate the linear and nonlinear transport through a single level quantum dot connected to two ferromagnetic leads in Kondo regime, using the slave-boson mean-field approach for finite on-site Coulomb repulsion. We find that for antiparallel alignm