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研究了双量子点系统中的电子隧穿动力学过程,在考虑电子与声子相互作用的情况下用基于正则变换的微扰方法解析地得到了电子动态隧穿电流的表达式.并且详细分析电子与声子耦合引起的退相干问题,在此基础上指出了可能的退耦机理.
The electron tunneling dynamics in a double quantum dot system is studied. The expression of electron dynamic tunneling current is obtained analytically by the perturbation method based on the regular transformation considering the interaction between electrons and phonons. The decoupling problem caused by the coupling of electrons and phonons, on the basis of which, the possible decoupling mechanism is pointed out.