Magnetized Anisotropic Dark Energy Cosmological Model in f(T) Gravity with a Special Law of the Hubble Parameter

  • К.Н. Павар Кафедра математики, Науковий коледж Шрi Шиваджi, Нагпур, Махараштра, Iндiя https://orcid.org/0000-0002-4388-039X
  • А.С. Хан Кафедра математики, Науковий коледж Шрi Шиваджi, Нагпур, Махараштра, Iндiя https://orcid.org/0000-0002-7092-2735
  • I.I. Хан Кафедра математики, Науковий коледж Шрi Шиваджi, Нагпур, Махараштра, Iндiя https://orcid.org/0009-0002-3698-4200
Ключові слова: намагнiчена темна енергiя, f(T) гравiтацiя, LRS модель Бiанкi типу I, анiзотропний Всесвiт, космiчний час

Анотація

У цiй статтi ми дослiджуємо космологiчну модель намагнiченої анiзотропної темної енергiї в рамках f(T) гравiтацiї для локально обертально-симетричного простору-часу типу Бiанкi I. Вибiр f(T) зводить теорiю до телепаралельної гравiтацiї, динамiчно еквiвалентної загальнiй теорiї вiдносностi, що дозволяє пряме порiвняння зi стандартною космологiєю. Точнi розв’язки рiвнянь поля отримуються, припускаючи спецiальний закон параметра Хаббла з ненульовою константою S, що призводить до степеневої поведiнки напрямлених масштабних коефiцiєнтiв. Однорiдне магнiтне поле, орiєнтоване вздовж одного
просторового напрямку, створює анiзотропiю на раннiх етапах часу, густина енергiї якої зменшується з розширенням космосу. Аналiзуються густина енергiї, тиск, параметр рiвняння стану та енергетичнi умови. Тиск залишається негативним, тодi як параметр рiвняння стану динамiчно розвивається та наближається до дiапазону -1 ≤ ω < -1/3 на пiзнiх етапах часу, що узгоджується з обмеженнями SN Ia та релiктового випромiнювання. Умови нульової та слабкої енергiї порушуються на пiзнiх етапах часу,
тодi як умова сильної енергiї порушується протягом усього часу, що передбачає прискорення.

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Посилання

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Опубліковано
2026-06-10
Цитовано
Як цитувати
Павар, К., Хан, А., & ХанI. (2026). Magnetized Anisotropic Dark Energy Cosmological Model in f(T) Gravity with a Special Law of the Hubble Parameter. Східно-європейський фізичний журнал, (2), 52-61. https://doi.org/10.26565/2312-4334-2026-2-05