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用腔场QED技术隐形传送未知原子态

陈美锋 , 马宋设

量子电子学报 doi:10.3969/j.issn.1007-5461.2007.04.015

提出一种方案用于隐形传送未知原子态,方案基于两个耦合双能级原子与一个单模腔场的非共振相互作用.方案要求腔场处于相干态,这使得方案容易实现.原子与相干腔场相互作用以后,腔场仍然处于相干态,通过探测原子的状态,即可将一个未知原子态隐形传送.方案也可以用于隐形传送未知原子纠缠态.

关键词: 量子光学 , 量子隐形传态 , 腔QED , 原子态 , 原子纠缠态 , 耦极-耦极相互作用

Atomic States and Brittleness of hcp Ti3Al-Ordered-Type Alloys

H.J. Peng , Y.Q. Xie , null , null

金属学报(英文版)

On the basis of the framework of systematic science of alloys (SSA), the basic information such as states, volumes, and potential energies of characteristic atoms in hcp Ti-Al system have been determined. The average atomic state of the hcp Ti3Al compound consisting of ψ and ψ atoms is 0.75[Ar] (3dn)0.573 (3dc)2.1685 (4sc)0.972 (4sf)0.3093 + 0.25[Ne] (3sc)1.32 (3pc)1.19 (3sf + 3pf)0.49. The brittleness of the ordered hcp Ti3Al compound has been discussed considering the fundamental factors, which are atomic states, bond networks, potential energy wave planes, and the ratio xTi/xAl. The existence of more pc and more dc directional electrons in the hcp Ti3Al compound lead to considerable brittleness; From bond networks and potential energy wave planes, the hcp Ti3Al compound has poorer ductility than the pure hcp Ti metal and the pure fcc Al metal; The Al-rich hcp Ti3Al ordered type alloys have poorer ductility than the Ti-rich hcp Ti3Al ordered type alloys.

关键词: Ti3Al alloy , null , null

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