Scheme for Implementing Assisted Cloning of an Unknown d-Dimension Equatorial Quantum State by Remote State Preparation  

作　　者：MA Peng-Cheng ZHAN You-Bang 

机构地区：[1]Department of Physics, Huaiyin Teachers College, Huaian 223001, China [2]College of Physics and Electronic Engineering, Xuzhou Normal University, Xuzhou 221116, China [3]CCAST （World Laboratory）, P.O. Box 8730, Beijing 100080, China

出　　处：《Communications in Theoretical Physics》2009年第1期57-59,共3页理论物理通讯（英文版）

摘　　要：In this paper, we propose a protocol that can produce perfect copy of an unknown d-dimensional equatorial quantum state with assistance from a state preparer. In this protocol, the maximally and non-maximally entangled bipartite d-dimensional of states are used as the quantum channels, respectively. The first stage of the protocol requires usual teleportation. In the second stage of the protocol, with the assistance of the preparer, the perfect copy of an original unknown state can be produced.

关 键 词：Iquantum cloning single-qudit quantum state quantum teleportation generalized projective measurement 

分 类 号：O413.1[理学—理论物理] O211.6[理学—物理]