一种测量三棱镜折射率的新方法

介绍了一种用分光计测量三棱镜折射率的方法,该方法具有原理简单,易于操作,相对误差小等优点。     

Feasible Scheme for Teleportation of an Arbitrary N-Atom State with Thermal Cavity

We present a scheme for teleportation of an arbitrary cavity QED, and show the feasibility in experiment. thermal field, and the fidelity of teleportation is only the success probability reaches 1.0. N-atom state without Bell state measurement in thermal Our scheme is also insensitive to both cavity decay and slightly affected by the experimental errors. In addition,     

A Scheme for Connecting Quantum Components

We propose an approach to connect components of a quantum computer by using a linear cluster state, with which an arbitrary N-particle state can be perfectly propagated between quantum components in two ways that are based on feedback measurements and local transformation.     

激光自准直CCD数字分光计的研制

采用半导体激光器、CCD显示单元和高精度实心轴角度传感器对传统分光计进行改进,实现了分光计的激光自准直调节,使得分光计的粗调能有的放矢,减少了盲目调节;望远镜图像液晶显示缓解了实验者的视觉疲劳,减少了视差;读数系统的数字化,使得读数变得非常简单快捷,数据的重复性和可靠性更好.     

Distribution of non-Markovian intervals for open qubit systems

We study the non-Markovianity of open qubit systems using the measure N proposed by Breuer, Laine and Piilo [Phys. Rev. Lett. 103 210401 (2009)]. We find that for the three types of quantum noises, amplitude-damping, dephasing and depolarizing noises, there exist some non-Markovian time intervals whose distribution is independent of the selection of the pair of initial states. Therefore, the maximization in the definition of measure N can be actually removed without influencing the detection of non-Markovianity.