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Paper   IPM / Nano-Sciences / 11829
School of Nano Science
  Title:   Temporal and structural characteristics of a two dimensional gas of hard needles
1.  Mohammad Ebrahim Fooladvand
2.  Mohsen Yarifard
  Status:   Published
  Journal: Eur. Phys. J. E
  No.:  4
  Vol.:  34
  Year:  2011
  Pages:   6
  Publisher(s):   EDP Sciences
  Supported by:  IPM
We have simulated the dynamics of a 2D gas of hard needles by event-oriented molecular dynamics. Various quantities namely translational and rotational diffusion constants and intermediate self-scattering function have been explored and their dependence on density is obtained. Despite absence of positional ordering, the rotational degree of freedom behaves nontrivially. Slowing down is observed in the angular part of the motion. It is shown that above a certain density the rotational mean-square displacement exhibits a three-stage regime including a plateau.

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