Electron spins in quantum dots as quantum bits

被引：27
|
作者：
Loss, Daniel [1 ]
Burkard, Guido [1 ]
DiVincenzo, David P. [2 ]
机构：
[1] Univ Basel, Dept Phys & Astron, CH-4056 Basel, Switzerland
[2] IBM Corp, Div Res, TJ Watson Res Ctr, Yorktown Hts, NY 10598 USA
来源：
JOURNAL OF NANOPARTICLE RESEARCH | 2000年 / 2卷 / 04期
关键词：
quantum computing; spin; spintronics; spin coherence; quantum dots;
D O I：
10.1023/A:1010003927086
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The creation, coherent manipulation, and measurement of spins in nanostructures open up completely new possibilities for electronics and information processing, among them quantum computing and quantum communication. We review our theoretical proposal for using electron spins in quantum dots as quantum bits, explaining why this scheme satisfies all the essential requirements for quantum computing. We include a discussion of the recent measurements of surprisingly long spin coherence times in semiconductors. Quantum gate mechanisms in laterally and vertically tunnel-coupled quantum dots and methods for single-spin measurements are introduced. We discuss detection and transport of electronic EPR pairs in normal and superconducting systems.
引用
收藏
页码：401 / 411
页数：11
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