Complete and partial loss of entanglement due to a phonon-assisted dephasing process

被引：0

作者：

Roszak, K. ^{[1
]}

Machnikowski, P. ^{[1
]}

Jacak, L. ^{[1
]}

机构：

[1] Wroclaw Univ Technol, Inst Phys, PL-50370 Wroclaw, Poland

来源：

ACTA PHYSICA POLONICA A | 2006年 / 110卷 / 03期

关键词：

D O I：

10.12693/APhysPolA.110.331

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the evolution of entanglement between two excitons in a double quantum dot system coupled to a super-Ohmic reservoir. As expected entanglement is more fragile than local coherence, but, surprisingly, for a set of pure states disentanglement can be complete in a finite time under conditions that lead to the usual partial pure-dephasing.

引用

页码：331 / 336

页数：6

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