Key points are not available for this paper at this time.
A Comment on the Letter by M. S. Daw and M. I. Baskes, Phys. Rev. Lett. 50, 1285 (1983) and J. Tersoff, Phys. Rev. Lett. 56, 632 (1986).Received 23 June 1989DOI:https://doi.org/10.1103/PhysRevLett.63.1022©1989 American Physical Society
Donald W. Brenner (Mon,) studied this question.