Information-capacity description of spin-chain correlations

被引：115

作者：

Giovannetti, V

Fazio, R

机构：

[1] INFM, NEST, I-56126 Pisa, Italy

[2] Scuola Normale Super Pisa, I-56126 Pisa, Italy

来源：

PHYSICAL REVIEW A | 2005年 / 71卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.71.032314

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Information capacities achievable in the multi-parallel-use scenarios are employed to characterize the quantum correlations in unmodulated spin chains. By studying the qubit amplitude damping channel, we calculate the quantum capacity Q, the entanglement assisted capacity C-E, and the classical capacity C-1 of a spin chain with ferromagnetic Heisenberg interactions.

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页数：12

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