phonon expansion 中文意思是什麼
phonon expansion
解釋
聲子展開式-
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
摘要將原子間相互作用勢的非諧項作為微擾,運用聲子數表象中的晶格原子振動位移和晶格振動哈密頓公式,推導了納米晶體線的熱膨脹系數公式,並進行了數值計算。
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