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Table 1 The reduced units and SI units of the L-J potential and EAM potential

From: A Local Region Molecular Dynamics Simulation Method for Nanoscale Sliding Contacts

Parameters L-J potential EAM potential
Reduced units SI units Reduced units SI units
Mass (kg) m 1.055 × 10−25 m 1.055 × 10−25
Length (m) r 0 2.277 × 10−10 d 2.556 × 10−10
Energy (J) \(\varepsilon\) 6.648 × 10−20 eV 1.602 × 10−19
Time (s) \(\sqrt {mr_{0}^{2} /\varepsilon }\) 2.869 × 10−13 \(\sqrt {md^{2} /eV}\) 2.024 × 10−13
Force (N) \(\varepsilon /r_{0}\) 2.920 × 10−10 \(eV/d\) 6.268 × 10−10
Temperature (K) \(\varepsilon /k_{\text{B}}\) 4.815 × 103 \(eV/k_{\text{B}}\) 1.160 × 104
Stress (Pa) \(\varepsilon \cdot r_{0}^{ - 3}\) 5.631 × 109 \(eV \cdot d^{ - 3}\) 9.594 × 109