The Improved Quantum Molecular Dynamics (ImQMD) Model

As a semiclassical microscopic dynamics model, the quantum molecular dynamics (QMD) model was proposed for simulating heavy-ion collisions (HICs) at intermediate and high energies. To extend the QMD model for the study of heavy-ion reactions at energies around the Coulomb barrier, the ImQMD model was proposed based the QMD framework with some modifications:
• The standard Skyrme force is adopted for describing not only the bulk properties but also the surface properties of nuclei.
• The Fermi constraint (via two-body elastic & inelastic scattering) is used to consider the fermionic properties of nucleons.
• The mass dependence of the wave-packet width is considered for a better description of the surface properties of finite nuclei and the fluctuations in reactions.
• The momentum dependence of the nucleon-nucleon interaction according to the Skyrme force is involved in the verion (ImQMD05) for the HICs at intermediate energies.
The ImQMD model is mainly applied on the study of heavy-ion collisions at intermediate and low energies.

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• Version v2.2.2
  • [DOWNLOAD]
  • Reference: N. Wang, T. Wu, J. Zeng, Y. X. Yang and L. Ou, J. Phys. G: Nucl. Part. Phys. 43, 065101 (2016); arXiv:1603.02759 [Link]
  • Applications: Heavy-ion fusion reactions; Deep inelastic scattering & Multi-nucleon transfer in HICs; Multi-fragmentations in HICs;
• Version v2.2
  • [DOWNLOAD]
  • Reference: Ning Wang, Kai Zhao, and Zhuxia Li, Sci. China - Phys. Mech. Astron. 58 (2015) 112001
  • Applications: Heavy-ion fusion reactions; Multi-fragmentations; Strongly damped reactions;

Members of the ImQMD Collaboration: