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The Influence of Deformation in Compact Objects on Redshift and Radar Echo Delay

Автор(ы)
Nurzada Beissen
D.S. Utepova
V.N. Kossov
M. Seydalieva
Дата публикации
19 марта 2024 г.
Тип
journal article
Издатель
Al-Farabi Kazakh National University
Журнал
Том
88
Выпуск
1
Первая страница
4
Последняя страница
11
DOI
ISSN
1563-0315
Аннотация
The analogy between optics and mechanics provides a unified way to describe particle motion in mechanics and light propagation in geometrical optics, and recent publications have demonstrated that this analogy can also be applied to general relativity, specifically when dealing with static metrics. In this paper, we use the material medium approach to obtain the refractive index associated with the gravitational field of a compact object having a quadrupole moment. Within this approach, we explore well-known effects of general relativity such as redshift and radar echo delay, deriving mathematical expressions for these phenomena taking into account the influence of the quadrupole moment.
Темы

compact stars

quadrupole moment

gravitational redshif...

radar echo delay

refractive index

static metrics

light propagation in ...

general relativity

Области науки (FoS)

Physics and Astronomy...

Astronomy and Astroph...

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W4393383358.pdf

Описание
Полный текст в открытом доступе, лицензия cc-by-nc; источник: https://bph.kaznu.kz/index.php/zhuzhu/article/download/1729/1667
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936,25 KB

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