标题: OPTIMAL BOUNDS ON FUNCTIONS OF QUANTUM STATES UNDER QUANTUM CHANNELS
作者: Li, Chi-Kwong
Pelejo, Diane Christine
Wang, Kuo-Zhong
应用数学系
Department of Applied Mathematics
关键字: Quantum states;density matrices;quantum channels;unital channels;mixed unitary channels;fidelity;relative entropy;majorization;eigenvalues
公开日期: 七月-2016
摘要: Let rho(1), rho(2) be quantum states and (rho(1), rho(2)) bar right arrow D(rho(1), rho(2)) be a scalar function such as the trace distance, the fidelity, and the relative entropy, etc. We determine optimal bounds for D(rho(1), Phi(rho(2))) for Phi is an element of S for different class of functions D(., .), where S is the set of unitary quantum channels, the set of mixed unitary channels, the set of unital quantum channels, and the set of all quantum channels.
URI: http://hdl.handle.net/11536/132926
ISSN: 1533-7146
期刊: QUANTUM INFORMATION & COMPUTATION
Volume: 16
Issue: 9-10
起始页: 845
结束页: 861
显示于类别:Articles