Optimal universal disentangling machine for two-qubit quantum states

被引：7

作者：

Ghosh, S

Bandyopadhyay, S

Roy, A

Sarkar, D

Kar, G

机构：

[1] Indian Stat Inst, Phys & Appl Math Unit, Kolkata 700035, W Bengal, India

[2] Bose Inst, Dept Phys, Kolkata 700009, W Bengal, India

[3] Barrackpore Rastraguru Surendranath Coll, Dept Math, Barakpur, W Bengal, India

来源：

PHYSICAL REVIEW A | 2000年 / 61卷 / 05期

关键词：

D O I：

10.1103/PhysRevA.61.052301

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We derive the optimal curve satisfied by the reduction factors, in the case of a universal disentangling machine that uses only local operations. The impossibility of constructing a better disentangling machine, by using nonlocal operations, is discussed.

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页数：7

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