Quantum dynamics as a physical resource

被引：140

作者：

Nielsen, MA ^{[1
]}

Dawson, CM

Dodd, JL

Gilchrist, A

Mortimer, D

Osborne, TJ

Bremner, MJ

Harrow, AW

Hines, A

机构：

[1] Univ Queensland, Ctr Quantum Comp Technol, Brisbane, Qld 4072, Australia

[2] Univ Queensland, Dept Phys, Brisbane, Qld 4072, Australia

[3] MIT, Cambridge, MA 02139 USA

来源：

PHYSICAL REVIEW A | 2003年 / 67卷 / 05期

关键词：

D O I：

10.1103/PhysRevA.67.052301

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

How useful is a quantum dynamical operation for quantum information processing? Motivated by this question, we investigate several strength measures quantifying the resources intrinsic to a quantum operation. We develop a general theory of such strength measures, based on axiomatic considerations independent of state-based resources. The power of this theory is demonstrated with applications to quantum communication complexity, quantum computational complexity, and entanglement generation by unitary operations.

引用

页数：19

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