Cosmological models based on scalar-torsion gravity
Journal: Пространство, время и фундаментальные взаимодействия @stfi
Article in issue: 1 (46), 2024.
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Cosmological models based on teleparallel gravity with a non-minimal coupling between the scalar field and torsion (scalar-torsion gravity) are considered in the context of their comparison with the case of Einstein gravity (GR) and the teleparallel equivalent of general relativity (TEGR). A classification of cosmological inflationary models is proposed based on the type of dependence of the tensor-scalar ratio on the spectral index of scalar perturbations. The difference between inflationary models based on scalar-torsion gravity and models based on GR and TEGR is shown in the context of their verification using observational data based on this dependence.
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Short address: https://sciup.org/142241758
IDS: 142241758 | UDC: 530.12, | DOI: 10.17238/issn2226-8812.2024.1.104-109
Космологические модели на основе скалярно-торсионной гравитации
Рассматриваются космологические модели на основе телепараллельной гравитации с неминимальной связью скалярного поля и кручения (скалярно-торсионная гравитация) в контексте их сравнения со случаем гравитации Эйнштейна (ОТО) и телепараллельным эквивалентом общей теориии относительности (TEGR). Предложена классификация моделей космологической инфляции по типу зависимости тензорно-скалярного отношения от спектрального индекса скалярных возмущений. Показано отличие инфляционных моделей на основе скалярно-торсионной гравитации от моделей на основе ОТО и TEGR в контексте их верификации по наблюдательным данным на основе этой зависисмости.
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