Entangling operations and their implementation using a small amount of entanglement

被引:218
作者
Cirac, JI [1 ]
Dür, W
Kraus, B
Lewenstein, M
机构
[1] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria
[2] Leibniz Univ Hannover, Inst Theoret Phys, D-3000 Hannover, Germany
关键词
Discrete Fourier transforms - Electronic density of states - Hamiltonians - Probability density function - Vectors;
D O I
10.1103/PhysRevLett.86.544
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We study when a physical operation can produce entanglement between two systems initially disentangled. The formalism we develop allows us to show that one can perform certain nonlocal operations with unit probability by performing local measurement on states that are weakly entangled.
引用
收藏
页码:544 / 547
页数:4
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