Physics – Quantum Physics
Scientific paper
2011-11-03
Physics
Quantum Physics
Scientific paper
The loss of coherence is one of the main obstacles for the implementation of quantum information processing. Here we introduce the concept of concatenated continuous dynamical decoupling, which can overcome not only external noise but also fluctuations in driving fields that implement the decoupling sequences and thus holds the potential for achieving relaxation limited coherence times. The proposed scheme can be applied to a wide variety of physical systems including, trapped atoms and ions, quantum dots and nitrogen-vacancy (NV) centers in diamond, and may be combined with other quantum technologies challenges such as quantum sensing or quantum information processing.
Cai Jian-Ming
Jelezko Fedor
Plenio Martin . B.
Retzker Alex
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