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
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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