Electromagnetic fields of slowly rotating magnetized compact stars in conformal gravity

被引：31

作者：

Turimov, Bobur ^{[1
]}

Ahmedov, Bobomurat ^{[1
,2
]}

Abdujabbarov, Ahmadjon ^{[1
,3
,4
]}

Bambi, Cosimo ^{[3
,4
,5
]}

机构：

[1] Ulugh Beg Astron Inst, Astron Skaya 33, Tashkent 100052, Uzbekistan

[2] Natl Univ Uzbekistan, Tashkent 100174, Uzbekistan

[3] Fudan Univ, Ctr Field Theory & Particle Phys, 2005 Songhu Rd, Shanghai 200438, Peoples R China

[4] Fudan Univ, Dept Phys, 2005 Songhu Rd, Shanghai 200438, Peoples R China

[5] Eberhard Karls Univ Tubingen, Theoret Astrophys, Morgenstelle 10, D-72076 Tubingen, Germany

来源：

PHYSICAL REVIEW D | 2018年 / 97卷 / 12期

基金：

中国国家自然科学基金;

关键词：

SOFT GAMMA-REPEATERS; PULSAR POLAR CAPS; NEUTRON-STARS; GENERAL-RELATIVITY; SPIN-DOWN; PLASMA MAGNETOSPHERE; BLACK-HOLE; GRAVITATIONAL COLLAPSE; DISK-ACCRETION; STRANGE STARS;

D O I：

10.1103/PhysRevD.97.124005

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper we investigate the exterior vacuum electromagnetic fields of slow-rotating magnetized compact stars in conformal gravity. Assuming the dipolar magnetic field configuration, we obtain an analytical solution of the Maxwell equations for the magnetic and the electric fields outside a slowly rotating magnetized star in conformal gravity. Furthermore, we study the dipolar electromagnetic radiation and energy losses from a rotating magnetized star in conformal gravity. In order to get constraints on the L parameter of conformal gravity, the theoretical results for the magnetic field of a magnetized star in conformal gravity are combined with the precise observational data of radio pulsar period slowdown, and it is found that the maximum value of the parameter of conformal gravity is less than L less than or similar to 9.5 x 10(5) cm (L/M less than or similar to 5).

引用

页数：8

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