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Paper   IPM / Physic / 7106
School of Physics
  Title:   Monte Carlo Simulation of Heteropolymers in Two Dimensions
1.  M.R. Ejtehadi
2.  S. Rouhani
  Status:   In Proceedings
  Proceeding: Proc. Of the VII Regional Conference on Mathematical Physics, Caspian Conference (1995), 51-57
  No.:  0
  Year:  1995
  Supported by:  IPM
We have studied the transition in shape of two dimensional polyampholytes using Monte Carlo simulation. We observe that polymers with randomly charged monomers get into a globular shape at lower temperatures, provided that their total charge is below a critical value Qc. Collapse into globular form happens for all forms of force law, but the critical charge depends on the form of the force law, inversely dependent on the range of interaction.

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