Multiterminal Conductance and Decoherence Effect of a Three-Terminal Kondo Dot

• 来源期刊: 中国物理快报（英文版）
• 年，卷（期）: 2006,（8）
• 页码范围: 2213-2216
• 页数: 4页
• 语种: 英文

摘要

A three-terminal Kondo dot modelled by the Anderson Hamiltonian is investigated. In the strong correlation limit, we calculate the multiterminal conductance and the voltage-induced characteristic splitting of the nonequilibrium Kondo resonance by using the equation of motion approach from viewpoint of the correlation dynamics.A qualitative and reasonable agreement with a recently reported experiment is obtained. We also simulate phenomenologically the decoherence of the Kondo-coherent state formed in the two-terminal setup in the framework of our three-terminal model.