Single atom transistor in a 1D optical lattice

被引:112
作者
Micheli, A [1 ]
Daley, AJ
Jaksch, D
Zoller, P
机构
[1] Austrian Acad Sci, Inst Quantum Opt & Quantum Informat, A-6020 Innsbruck, Austria
[2] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria
[3] Univ Oxford, Clarendon Lab, Oxford OX1 3PU, England
基金
奥地利科学基金会;
关键词
D O I
10.1103/PhysRevLett.93.140408
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We propose a scheme utilizing a quantum interference phenomenon to switch the transport of atoms in a 1D optical lattice through a site containing an impurity atom. The impurity represents a qubit which in one spin state is transparent to the probe atoms, but in the other acts as a single atom mirror. This allows a single-shot quantum nondemolition measurement of the qubit spin.
引用
收藏
页码:140408 / 1
页数:4
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