anharmonic term meaning in English
非调和项
非谐项
Examples
- The higher-order effects of the field on the particle motion give rise to anharmonic terms in the vibrational hamiltoniom .
场对粒子运动的高阶效应在振动哈密顿量中引起非简谐项。 - Treating the anharmonic terms of potential energy as perturbations , and employing the formulas for atomic displacements and hamiltonian in phonon occupation number representation , the formulas for thermal expansion coefficients of crystal nano - wires are derived and the numerical calculations are carried out in this paper
摘要将原子间相互作用势的非谐项作为微扰，运用声子数表象中的晶格原子振动位移和晶格振动哈密顿公式，推导了纳米晶体线的热膨胀系数公式，并进行了数值计算。