Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2002-11-18
Phys. Stat. Solidi (b) 238, 360 (2003).
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
6 pages. To appear in the Proceedings of QD2002
Scientific paper
Here we give an overview of the research on spin-based quantum dot quantum computation. In particular, we discuss the conditions for the Heisenberg exchange Hamiltonian to be a satisfactory description of two-electron interaction in a GaAs double dot. We also discuss theoretical issues related to spin relaxation, spin encoding, and spin measurement. A brief account is also given to spin-based quantum computation in SiGe quantum dots and donors in Si.
Hu Xuedong
Sarma Sankar Das
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