Paper

{
  "raw_xml": "<entry>\n    <id>http://arxiv.org/abs/2602.18013v1</id>\n    <title>Cosmic Acceleration from a Simultaneous Variation of Fundamental Constants</title>\n    <updated>2026-02-20T06:10:03Z</updated>\n    <link href='https://arxiv.org/abs/2602.18013v1' rel='alternate' type='text/html'/>\n    <link href='https://arxiv.org/pdf/2602.18013v1' rel='related' title='pdf' type='application/pdf'/>\n    <summary>We discuss the possibility of a simultaneous cosmic variation of two fundamental entities: the Newtonian gravitational coupling $G$ and the electron mass $m_e$. We show that this variation can account for the late-time cosmic acceleration without invoking a cosmological constant or an explicit dark-energy fluid. We compare the derived $m_e$ variation with laboratory bounds found from Quasar absorption Spectra. Our results indicate that late-time cosmic acceleration could be a manifestation of evolving fundamental couplings, establishing a direct bridge between precision tests of gravity, particle physics and the origin of cosmic acceleration.</summary>\n    <category scheme='http://arxiv.org/schemas/atom' term='gr-qc'/>\n    <category scheme='http://arxiv.org/schemas/atom' term='hep-th'/>\n    <published>2026-02-20T06:10:03Z</published>\n    <arxiv:comment>11 Pages, 6 Figures, Comments are welcome</arxiv:comment>\n    <arxiv:primary_category term='gr-qc'/>\n    <author>\n      <name>Malavika K</name>\n    </author>\n    <author>\n      <name>Soumya Chakrabarti</name>\n    </author>\n  </entry>"
}