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Varun Sahni

1 articles · 3 co-authors · latest: 2026-05-26
13,109 citations · h-index 49 · 211 papersData: Semantic Scholar
Satadru Bag · Ryan E. Keeley · Arman Shafieloo

We have retold 1 papers by this author. most often about: dark energy, cosmological constant, quintessence. 3 co-authors across our retellings.

dark energy · null energy condition · null hypothesis testing · cosmological constant · quintessence · dark matter
Friedmann equations · gravitational lensing · Einstein field equations · virial theorem · Vlasov equation
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Cosmology2026-05-261 minarXiv:2605.27230express
Is Dark Energy Changing? A Fresh Look
The Universe is expanding faster and faster thanks to mysterious dark energy, discovered in the late 1990s by Adam Riess, Saul Perlmutter, and Brian Schmidt using supernovae.
Satadru Bag·Ryan E. Keeley·Varun Sahni·Arman Shafieloo
Adam RiessAlan GuthAlbert Einsteindark energycosmological constantquintessencedark matter
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