Constraints on Measurement-Based Quantum Computation in Effective Cluster States

被引：12
|
作者：
Klagges, Daniel [1 ]
Schmidt, Kai Phillip [1 ]
机构：
[1] TU Dortmund, Lehrstuhl Theoret Phys 1, D-44221 Dortmund, Germany
来源：
PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 23期
关键词：
MODEL;
D O I：
10.1103/PhysRevLett.108.230508
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The aim of this work is to study the physical properties of a one-way quantum computer in an effective low-energy cluster state. We calculate the optimal working conditions as a function of the temperature and of the system parameters. The central result of our work is that any effective cluster state implemented in a perturbative framework is fragile against special kinds of external perturbations. Qualitative aspects of our work are important for any implementation of effective low-energy models containing strong multisite interactions.
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页数：5
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