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4 Cu的晶格比热容(cp )和电子比热容(ce)

Fig.4 Lattice heat capacity (cp ) and electron heat capacity (ce) of Cu (a) cp of Cu varied with ionic temperature (T) (The red dots are the result obtained using the DP potential, and the silver squares are the experimental result[54]) (b) ce of Cu varied with electron temperature (Te) (The red dots are the result of this work, the dashed blue lines are Smirnov's KS-DFT result[55] and the silver squares are the experimental result[56])