Казанский (Приволжский) федеральный университет, КФУ
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YU.G. IGNAT'EV. A QUALITATIVE AND NUMERICAL ANALYSIS OF COSMOLOGICAL MODELS BASED ON ASSYMETRIC SCALAR DOUBLET: CLASSICAL + PHANTOM SCALAR FIELD. I. A CASE OF MINIMALLY INTERACTING SCALAR FIELDS: THE QUALITATIVE ANALYSIS // ARXIV:1708.04349 [GR-QC]
Форма представленияСтатьи в зарубежных журналах и сборниках
Год публикации2017
Языкрусский
  • Игнатьев Юрий Геннадиевич, автор
  • Библиографическое описание на языке оригинала Yu.G. Ignat'ev. A qualitative and numerical analysis of cosmological models based on assymetric scalar doublet: classical + phantom scalar field. I. A case of minimally interacting scalar fields: the qualitative analysis // arXiv:1708.04349 [gr-qc]
    Аннотация The paper provides a qualitative and numerical analysis-based investigation of cosmological models founded on an asymmetrical scalar doublet comprising of a classical and a phantom scalar fields. Presence of a phantom scalar field allows one to consider also classical scalar fields with attraction of like-charged particles which significantly extends a diversity of cosmological models' behaviours. It is shown that a cosmological model based on an asymmetric scalar doublet in the case of minimal interaction has 9 singular points 2 of which are attractive and the rest are non-stable saddle ones. It is also shown that a presence of even essentially weak phantom field significantly changes the dynamics of a cosmological model.
    Ключевые слова phantom scalar fields, scalar particle interaction, asymmetric scalar doublet, cosmological models, qualitative analysis, numerical simulation
    Название журнала arXiv: General Relativity and Quantum Cosmology
    URL https://arxiv.org/pdf/1708.04349.pdf
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