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White dwarf mass-radius relation in theories beyond general relativity

Alam, Khursid; Islam, Tousif

We explore the internal structures of the white dwarfs in two different modified theories of gravity: (i) scalar-tensor-vector gravity and (ii) beyond Horndeski theories of G ₃ type. The modification of the gravitational force inside the white dwarf results in the modification of the mass and radius of the white dwarf. We use observatio…