超快激光诱导Cu薄膜熔化的神经网络分子动力学研究

高天雨, 曾启昱, 陈博, 康冬冬, 戴佳钰

Neural Network Molecular Dynamics Study of Ultrafast Laser-Induced Melting of Copper Nanofilms

GAO Tianyu, ZENG Qiyu, CHEN Bo, KANG Dongdong, DAI Jiayu

图2 温度为300 K时Cu声子谱的DP模型结果与实验结果[49]对比

Fig.2 Phonon spectrum of solid copper obtained using DP model, and the experimental result[50] for comparison (The horizontal axis shows the value of the in-plane wave vector, along the Γ-X-W-X-U-Γ-L paths in the frst Brillouin zone)