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arxiv: cond-mat/0603323 · v1 · submitted 2006-03-12 · ❄️ cond-mat.mtrl-sci

Path-integral Monte Carlo study of phonons in the bcc phase of Helium-3

classification ❄️ cond-mat.mtrl-sci
keywords carlodynamicfactormontephasephononstructurealong
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Using Path Integral Monte Carlo and the Maximum Entropy method, we calculate the dynamic structure factor of solid He-3 in the bcc phase at a finite temperature of T = 1.6 K and a molar volume of 21.5 cm^3. 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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