Path-Integral Monte Carlo Study of Phonons in the bcc Phase of 3He

被引：0
作者：
V. Sorkin
E. Polturak
Joan Adler
机构：
[1] Technion - Israel Institute of Technology,Physics Department
来源：
Journal of Low Temperature Physics | 2006年 / 143卷
关键词：
quantum solid; path integral Monte Carlo; maximum entropy method; phonon spectrum; solid;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Using Path Integral Monte Carlo and the Maximum Entropy method, we calculate the dynamic structure factor of solid 3He in the bcc phase at a finite temperature of T = 1.6 K and a molar volume of 21.5 cm3. From the single phonon dynamic structure factor, we obtain both the longitudinal and transverse phonon branches along the main crystalline directions, [001], [011] and [111]. Our results are compared with other theoretical predictions and available experimental data.
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页码：141 / 151
页数：10
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