Supported by National Natural Science Foundation of China(10704001,61073048,10905024,11005029);the Key Project of Chinese Ministry of Education(210092);the China Postdoctoral Science Foundation(20110490825);the Key Program of the Education Department of Anhui Province(KJ2012A020,KJ2010A287,KJ2014A046,2010SQRL153ZD);the Doctoral Research Foundation of Anhui Jianzhu University(K02630);the"211 Project"of Anhui University(33190019);the Personnel Department of Anhui Province;Anhui Key Laboratory of Information Materials and Devices(Anhui University)
supported by the National Natural Science Foundation of China (Grant No. 10704001);the Natural Science Foundation of the Education Department of Anhui Province of China (Grant Nos. KJ2010ZD08 and KJ2010B204);the Doctor Research Start-Up Program of Huainan Normal University
In this paper, we study the problem of multicopy quantum two-state discrimination. By exploring the quantum hypothesis testing, i.e., the probabilisfic quantum cloning, we derive the upper bounds of the minimal error ...
supported by the National Natural Science Foundation of China (Grant No.10704001);the Natural Science Foundation of the Education Department of Anhui Province of China (Grant Nos.KJ2010ZD08 and KJ2010B204);the Doctor Research Start-Up Program of Huainan Normal University
The explicit transformations of the 1→ 3 optimal universal quantum cloning and the optimal phase-covariant quantum cloning in d-dimensions are presented, and the dimensionalities of their ancillary systems are both d...