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Reply to Comment on "Dark matter as a Weyl geometric effect"
Piyabut Burikham, Tiberiu Harko, Kulapant Pimsamarn +1
In a recent Comment on the paper "Dark matter as a Weyl geometric effect", by Burikham et al., Phys. Rev. D 107, 064008 (2023), posted on arxiv. org as eprint arXiv:2306.11926, it…
Dark matter as a Weyl geometric effect
Piyabut Burikham, Tiberiu Harko, Kulapant Pimsamarn +1
We investigate the possibility that the observed behavior of test particles outside galaxies, which is usually explained by assuming the existence of dark matter, is the result of…
The first variation of the matter energy-momentum tensor with respect to the metric, and its implications on modified gravity theories
Zahra Haghani, Tiberiu Harko, Shahab Shahidi
The first order variation of the matter energy-momentum tensor with respect to the metric tensor plays an important role in modified gravity theories with geometr…