Optimal dynamical decoherence control of a qubit

被引：166

作者：

Gordon, Goren ^{[1
]}

Kurizki, Gershon ^{[1
]}

Lidar, Daniel A. ^{[2
,3
,4
]}

机构：

[1] Weizmann Inst Sci, Dept Chem Phys, IL-76100 Rehovot, Israel

[2] Univ So Calif, Ctr Quantum Informat Sci & Technol, Dept Chem, Los Angeles, CA 90089 USA

[3] Univ So Calif, Ctr Quantum Informat Sci & Technol, Dept Elect Engn, Los Angeles, CA 90089 USA

[4] Univ So Calif, Ctr Quantum Informat Sci & Technol, Dept Phys, Los Angeles, CA 90089 USA

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.101.010403

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a theory of dynamical control by modulation for optimal decoherence reduction. The theory is based on the non-Markovian Euler-Lagrange equation for the energy-constrained field that minimizes the average dephasing rate of a qubit for any given dephasing spectrum.

引用

页数：4

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