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The Evolution and Current State of Swift-Heavy-Ion Track Modeling

  • N. Medvedev
  • A. E. Volkov
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Abstract

This paper briefly reviews the modeling approaches to the swift heavy ion (SHI) track formation. It presents a step-by-step derivation of the two-temperature model, highlighting its underlying assumptions and approximations. Special attention is given to identifying assumptions that fail under the typical SHI track conditions, and what methods currently exist to go beyond them. As an alternative to analytical approximations, a combined Monte Carlo- molecular dynamics model is demonstrated, outlining its basic assumptions, their justifications, and validations. Finally, the paper addresses bottlenecks of the current multiscale approach, its remaining weaknesses, and necessary further developments of the theory and models.

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Cite

BibTeXRIS
BibTeX
@misc{medvedev2026evolution,
  title = {{The Evolution and Current State of Swift-Heavy-Ion Track Modeling}},
  author = {N. Medvedev and A. E. Volkov},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.34353},
  eprint = {2610.34353},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.34353},
}
RIS
TY  - UNPB
TI  - The Evolution and Current State of Swift-Heavy-Ion Track Modeling
AU  - N. Medvedev
AU  - A. E. Volkov
PY  - 2026
DA  - 2026/10/25
PB  - arXiv
DO  - 10.48550/arxiv.2610.34353
UR  - https://arxiv.org/abs/2610.34353
AB  - This paper briefly reviews the modeling approaches to the swift heavy ion (SHI) track formation. It presents a step-by-step derivation of the two-temperature model, highlighting its underlying assumptions and approximations. Special attention is given to identifying assumptions that fail under the typical SHI track conditions, and what methods currently exist to go beyond them. As an alternative to analytical approximations, a combined Monte Carlo- molecular dynamics model is demonstrated, outlining its basic assumptions, their justifications, and validations. Finally, the paper addresses bottlenecks of the current multiscale approach, its remaining weaknesses, and necessary further developments of the theory and models.
ER  -