EPJ Web Conf.
Volume 168, 2018Joint International Conference of ICGAC-XIII and IK-15 on Gravitation, Astrophysics and Cosmology
|Number of page(s)||4|
|Published online||09 January 2018|
Dilatonic dyon black hole solutions in the model with two Abelian gauge fields
2 Physical and Technical Faculty, Al-Farabi Kazakh National University, al’-Farabi avenue, 71, Almaty 050040, Kazakhstan
3 Center for Gravitation and Fundamental Metrology, VNIIMS, Ozyornaya St., 46, Moscow 119361, Russia
4 Institute of Gravitation and Cosmology, RUDN University, Miklukho-Maklaya St.,6, Moscow 117198, Russia
* e-mail: email@example.com
Published online: 9 January 2018
Dilatonic black hole dyon-like solutions 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 sign parameter ε = ±1 for scalar field kinetic term are considered. Here ε = −1 corresponds to ghost scalar field. These solutions are defined up to solutions of two master equations for two moduli functions, when λi2 ≠ 1/2 for ε = −1. A set of bounds on gravitational mass and scalar charge are presented by using a certain conjecture on parameters of solutions, when 1 + 2λi2ε > 0, i = 1, 2.
© The Authors, published by EDP Sciences, 2018
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