4.7 Article

Multilayer Network Analysis of Nuclear Reactions

Journal

SCIENTIFIC REPORTS
Volume 6, Issue -, Pages -

Publisher

NATURE PORTFOLIO
DOI: 10.1038/srep31882

Keywords

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Funding

  1. National Natural Science Foundation of China [11421505, 11520101004]
  2. Major State Basic Research Development Program in China [2014CB845401]
  3. Division Of Physics
  4. Direct For Mathematical & Physical Scien [1430152] Funding Source: National Science Foundation

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The nuclear reaction network is usually studied via precise calculation of differential equation sets, and much research interest has been focused on the characteristics of nuclides, such as half-life and size limit. In this paper, however, we adopt the methods from both multilayer and reaction networks, and obtain a distinctive view by mapping all the nuclear reactions in JINA REACLIB database into a directed network with 4 layers: neutron, proton, He-4 and the remainder. The layer names correspond to reaction types decided by the currency particles consumed. This combined approach reveals that, in the remainder layer, the beta-stability has high correlation with node degree difference and overlapping coefficient. Moreover, when reaction rates are considered as node strength, we find that, at lower temperatures, nuclide half-life scales reciprocally with its out-strength. The connection between physical properties and topological characteristics may help to explore the boundary of the nuclide chart.

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