Optimal multiqubit operations for Josephson charge qubits

被引：42

作者：

Niskanen, AO ^{[1
]}

Vartiainen, JJ ^{[1
]}

Salomaa, MM ^{[1
]}

机构：

[1] Helsinki Univ Technol, Phys Mat Lab, FIN-02015 Espoo, Finland

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.90.197901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We introduce a method for finding the required control parameters for a quantum computer that yields the desired quantum algorithm without invoking elementary gates. We concentrate on the Josephson charge-qubit model, but the scenario is readily extended to other physical realizations. Our strategy is to numerically find any desired double- or triple-qubit gate. The motivation is the need to significantly accelerate quantum algorithms in order to fight decoherence.

引用

页数：4

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