QUANTUM COMPUTING with semiconductor spins

被引：79
|
作者：
Vandersypen, Lieven M. K. [1 ,2 ]
Eriksson, Mark A. [3 ]
机构：
[1] Kavli Inst Nanosci Delft, Delft, Netherlands
[2] QuTech, Delft, Netherlands
[3] Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
来源：
PHYSICS TODAY | 2019年 / 72卷 / 08期
关键词：
SINGLE-ELECTRON SPIN; QUBIT; GATE;
D O I：
10.1063/PT.3.4270
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Open any textbook on quantum mechanics, and the two-state system of choice is likely to be a spin-1/2 particle, such as an electron. The corresponding states, spin up and spin down, form the prototypical quantum bit (qubit), and rotations of the spin state constitute the simplest quantum logic gates. Because of their negative charge, electrons can be manipulated with voltages applied to nanoscale electrodes, or gates. And the application of appropriate voltages can confine the electrons to small islands called quantum dots (see the article by Marc Kastner, PHYSICS TODAY, January 1993, page 24). © 2019 American Institute of Physics Inc. All rights reserved.
引用
收藏
页码：38 / 45
页数：8
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