Dyon-Like Black Hole Solutions in the Model with Two Abelian Gauge Fields

Dilatonic black hole dyon-like solutions are overviewed in the gravitational 4D model with a scalar field, two 2-forms, two dilatonic coupling constants λi ≠ 0, i = 1, 2, obeying λ1 ≠ − λ2, and the sign parameter ε = ±1 before the scalar field kinetic term. Here ε = −1 corresponds to a phantom scalar field. The solutions are defined up to solutions of two master equations for two moduli functions, when λi2≠1/2 for ε = −1. Several integrable cases, corresponding to the Lie algebras A1 + A1, A2, B2 = C2 and G2 are considered. Some physical parameters of the solutions are derived: the gravitational mass, scalar charge, Hawking temperature, black hole area entropy and PPN parameters β and γ. Bounds on the gravitational mass and scalar charge, based on a certain conjecture, are presented. © 2019, Pleiades Publishing, Ltd.

Авторы
Abishev M.E. 1 , Ivashchuk V.D. 2, 3 , Malybayev A.N.1 , Toktarbay S.1
Редакторы
-
Издательство
-
Номер выпуска
4
Язык
Английский
Страницы
374-382
Статус
Опубликовано
Подразделение
-
Номер
-
Том
25
Год
2019
Организации
  • 1 Institute of Experimental and Theoretical Physics, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
  • 2 Peoples’ Friendship University of Russia (RUDN University), Moscow, 117198, Russian Federation
  • 3 Center for Gravitation and Fundamental Metrology, VNIIMS, Moscow, 119361, Russian Federation
Ключевые слова
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Дата создания
10.02.2020
Дата изменения
10.02.2020
Постоянная ссылка
https://repository.rudn.ru/ru/records/article/record/56335/