Robust gates for holonomic quantum computation

被引：52
作者：
Florio, G
Facchi, P
Fazio, R
Giovannetti, V
Pascazio, S
机构：
[1] Univ Bari, Dipartmento Fis, I-70126 Bari, Italy
[2] Ist Nazl Fis Nucl, I-70126 Bari, Italy
[3] Univ Bari, Dipartimento Matemat, I-70125 Bari, Italy
[4] CNR, NEST, INFM, I-56126 Pisa, Italy
[5] Scuola Normale Super Pisa, I-56126 Pisa, Italy
[6] SISSA, I-34014 Trieste, Italy
来源：
PHYSICAL REVIEW A | 2006年 / 73卷 / 02期
关键词：
D O I：
10.1103/PhysRevA.73.022327
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Non-Abelian geometric phases are attracting increasing interest because of possible experimental application in quantum computation. We study the effects of the environment (modeled as an ensemble of harmonic oscillators) on a holonomic transformation and write the corresponding master equation. The solution is analytically and numerically investigated and the behavior of the fidelity analyzed: fidelity revivals are observed and an optimal finite operation time is determined at which the gate is most robust against noise.
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页数：11
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