论文标题
Yukawa晶体的弹性特性
Elastic properties of Yukawa crystals
论文作者
论文摘要
我们研究Yukawa Systems的弹性特性。从变形晶体的静电能获得了弹性模量和有效的体内立方体（BCC）和面部中心（FCC）晶格的有效剪切模量。对于BCC晶格，我们的结果与以前的计算非常一致并改进它们，而FCC晶格的结果是新的。我们还获得了弱极化弹性模量的分析表达，并为较高的极化构建了方便的近似值。
We study elastic properties of solid Yukawa systems. Elastic moduli and effective shear modulus of body-centered cubic (bcc) and face-centered cubic (fcc) lattices are obtained from electrostatic energies of deformed crystals. For the bcc lattice our results are well consistent with previous calculations and improve them, while results for the fcc lattice are new. We have also obtained an analytical expression of the elastic moduli for the weak polarization and constructed a convenient approximation for the higher polarization.
