Quantum computation with ions in thermal motion

被引：860
|
作者：
Sorensen, A [1 ]
Molmer, K [1 ]
机构：
[1] Aarhus Univ, Inst Phys & Astron, DK-8000 Aarhus C, Denmark
来源：
PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 09期
关键词：
D O I：
10.1103/PhysRevLett.82.1971
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose an implementation of quantum logic gates via virtual vibrational excitations in an ion-trap quantum computer. Transition paths involving unpopulated vibrational states interfere destructively to eliminate the dependence of rates and revolution frequencies on vibrational quantum numbers. As a consequence, quantum computation becomes feasible with ions whose vibrations are strongly coupled to a thermal reservoir.
引用
收藏
页码：1971 / 1974
页数：4
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