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→History: 10.1103/physrev.136.a405 |
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| volume=136
| doi=10.1103/physrev.136.a405
| pages=A405–A411
}}</ref> may be regarded as a first step toward the extended discrete element method, although the forces due to collisions between particles were replaced by energy potentials e.g. [[Lennard-Jones]] potentials of [[molecules]] and [[atoms]] as long range forces to determine interaction.
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