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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