Dynamical suppression of 1/f noise processes in qubit systems -: art. no. 117905

被引：90
|
作者：
Faoro, L
Viola, L
机构：
[1] Inst Sci Interchange Fdn, I-10133 Turin, Italy
[2] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 11期
关键词：
D O I：
10.1103/PhysRevLett.92.117905
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the capability of dynamical decoupling techniques to reduce decoherence from a realistic environment generating 1/f noise. The predominance of low frequency modes in the noise profile allows for decoherence scenarios where relatively slow control rates suffice for a drastic improvement. However, the actual figure of merit is very sensitive to the details of the dynamics, with decoupling performance which may deteriorate for non-Gaussian noise and/or high frequency working points. Our results are promising for robust solid-state qubits and beyond.
引用
收藏
页码：117905 / 1
页数：4
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