【摘要】 对于一个实际的测量装置,即被介观测量仪器所测量的两态(量子比特)或多态量子系统做了理论研究.为了正确描述测量引起的反作用,发展了一个保持细致平衡条件的量子主方程的方法,建立的这套方案适用于任意电压和任意温度.更多还原

【Abstract】 A realistic measurement setup for a system such as a charged two-state (qubit) or multi-state quantum system measured by a mesoscopic detector,is theoretically studied.To properly describe the measurement-induced back-action,a detailed-balance preserved quantum master equation treatment is developed.The established framework is applicable for arbitrary voltages and temperatures.更多还原