The formula of mean square displacements of atoms in one dimensional monatomic nanoparticles is deduced by means of the theory of Greens function.
数值计算结果表明，在高温近似下，所有原子的均方位移与温度成正比，纳米晶体颗粒内部原子的均方位移小于表面原子的均方位移。
The formula of mean square displacements of atoms in one dimensional monatomic nanoparticles is deduced by means of the theory of Greens function.
数值计算结果表明，在高温近似下，所有原子的均方位移与温度成正比，纳米晶体颗粒内部原子的均方位移小于表面原子的均方位移。
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