Nanomechanical resonator coupling with a double quantum dot: quantum state engineering

被引：0
|
作者：
J.-Q. Liao
L.-M. Kuang
机构：
[1] Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education,and Department of Physics, Human Normal University
来源：
The European Physical Journal B | 2008年 / 63卷
关键词：
42.50.Dv Nonclassical states of the electromagnetic field, including entangled photon states; quantum state engineering and measurements; 85.85.+j Micro- and nano-electromechanical systems (MEMS/NEMS) and devices; 73.21.La Quantum dots;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We propose a theoretical scheme to realize quantum state engineering of a nanomechanical resonator (NAMR) through the coupling between the NAMR and a double quantum dot (DQD). Hybrid entangled states between the NAMR and the DQD and superposed coherent states of the NAMR are created explicitly. It is shown that quantum state tomography for the NAMR can be implemented through carrying out unitary operations on the NAMR and the DQD. It is indicated that the scheme is feasible at the reach of the present technology.
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页码：79 / 83
页数：4
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