Long-lived memory for electronic spin in a quantum dot: Numerical analysis
作者： V. V. Dobrovitski , J. M. Taylor , M. D. Lukin
DOI: 10.1103/PHYSREVB.73.245318
关键词: Quantum mechanics 、 Open quantum system 、 Physics 、 Quantum discord 、 Quantum entanglement 、 Quantum channel 、 Quantum simulator 、 Quantum technology 、 Quantum information 、 Condensed matter physics 、 Quantum network
摘要: Techniques for coherent control of electron spin-nuclear spin interactions in quantum dots can be directly applied spintronics and information processing. In this work we study numerically the interaction nuclear spins context storing state an a collective spins. We take into account errors inherent realistic system: incomplete polarization bath different hyperfine between individual nuclei dot. Although these imperfections deteriorate fidelity retrieval, find reasonable fidelities are achievable modest polarizations.
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