IIA Institutional Repository

Browsing by Subject "Modified gravity"

Browsing by Subject "Modified gravity"

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  • Cooling Process of White Dwarf Stars in Palatini f(R) Gravity 
    Kalita, Surajit; Sarmah, Lupamudra; Wojnar, Aneta (Multidisciplinary Digital Publishing Institute, 2022-12)
    A simple cooling model of white dwarf stars is re-analyzed in Palatini 𝑓(𝑅) gravity. Modified gravity affects the white dwarf structures and consequently their ages. We find that the resulting super-Chandrasekhar white ...
  • Effects of modified gravity on microscopic properties and cooling timescale of white dwarfs 
    Wojnar, Aneta; Kalita, Surajit; Sarmah, Lupamudra (Elsevier B.V, 2024-03)
    There are currently two open questions in white dwarf physics: why are massive dwarfs observed less often in astronomical surveys, and why have not any super-Chandrasekhar white dwarfs been found despite the discovery of ...
  • The Hubble tension: change in dark energy or a case for modified gravity? 
    Sivaram, C; Arun, K; Rebecca, Louise (Springer, 2022-03)
    Recently, much controversy has been raised about the cosmological conundrum involving the discrepancy in the value of the Hubble constant as implied by Planck satellite observations of the CMBR in the early Universe and ...

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