Robustness of Charge-Qubit Cluster States to Double Quantum Point Contact Measurement

Details Robustness of Charge-Qubit Cluster States to Double Quantum Point Contact Measurement Robustness of Charge-Qubit Cluster States to Double Quantum Point Contact Measurement

2010-05-06

arxiv.org/abs/1005.1103v1

Jpn. J. Appl. Phys. 49 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures

Scientific paper

We theoretically investigate the robustness of cluster states in charge qubit
system based on quantum dot (QD) and double quantum point contact (DQPC). Trap
state is modeled by an island structure in DQPC and represents a dynamical
fluctuation. We found that the dynamical fluctuations affect the cluster states
more than static fluctuation caused by QD size fluctuation.

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