Нова модель просторового розподілу густини в гало ферміонної темної матерії

Автор(и)

  • A. V. Rudakovskyi Bogolyubov Institute for Theoretical Physics, Nat. Acad. of Sci. of Ukraine; Taras Shevchenko National University of Kyiv; Main Astronomical Observatory, Nat. Acad. of Sci. of Ukraine
  • D. O. Savchenko English

DOI:

https://doi.org/10.15407/ujpe63.9.769

Ключові слова:

dark matter: warm, cold, dark matter halo profile, cores, Navarro–Frenk–White profile

Анотація

В цiй роботi ми пропонуємо нову модель розподiлу густини в гало, утвореного з теплої темної матерiї. Ця модель описується одним параметром мiкрофiзики – масою частинки темної матерiї (чи, що еквiвалентно, максимальним значенням фазової густини). Знаючи масу частинки темної матерiї та параметри, що описують розподiл густини на периферiї гало, наша модель описує поведiнку густини у внутрiшнiх областях гало. Для випадку початкового розподiлу Фермi–Дiрака, ми успiшно вiдтворили результати симуляцiй [28, 29]. Також, нами були розрахованi радiуси центральних областей для гало карликових сферичних галактик утворених з теплої темної матерiї з масами частинок mFD = 100, 200, 300, 400 еВ.

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2018-09-24

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Rudakovskyi, A. V., & Savchenko, D. O. (2018). Нова модель просторового розподілу густини в гало ферміонної темної матерії. Український фізичний журнал, 63(9), 769. https://doi.org/10.15407/ujpe63.9.769

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