Journal of Natural Science Research and Review (JNSRR) · Research article · Open access
Novel Proposal of the Cosmological Constant: Dark Energy, Dark Matter, and the Accelerated Expansion of the Universe
Lie Chun Pong
28 October 2026 · Vol. 2, Issue 10, pp. 336-338
DOI: 10.65150/EP-jnsrr/V2E10/2026-05 (registration with Crossref in progress)
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What is this article about?
Recent observations from the James Webb Space Telescope (JWST) have intensified the long-standing tension in measurements of the Hubble constant and have raised questions about the completeness of the standard cosmological-constant description of dark energy. The ΛCDM model successfully accounts for a wide range of large-scale observations by combining ordinary matter, radiation, cold dark matter, and a cosmological constant Λ.
Article at a glance
- Published
- 28 October 2026
- Volume / issue / pages
- Vol. 2, Issue 10, pp. 336-338
- ISSN
- 3051-3766 (online) · 3051-3758 (print)
- Licence
- CC BY 4.0 — free to read and reuse with attribution
- Peer review
- Double-blind, at least two independent reviewers
- Publisher
- EP Journals Group
Abstract
Recent observations from the James Webb Space Telescope (JWST) have intensified the long-standing tension in measurements of the Hubble constant and have raised questions about the completeness of the standard cosmological-constant description of dark energy. The ΛCDM model successfully accounts for a wide range of large-scale observations by combining ordinary matter, radiation, cold dark matter, and a cosmological constant Λ. Nevertheless, the physical origin of Λ remains unsettled: the observed magnitude of the vacuum energy density is many orders of magnitude smaller than naïve quantum-field estimates. This paper examines the conceptual relationships among cosmological distance, recession velocity, dark matter, dark energy, and the cosmological constant. We emphasize that dark matter and dark energy play distinct dynamical roles—dark matter contributes gravitationally to structure formation and early deceleration, while dark energy drives the late-time acceleration of cosmic expansion. We introduce a phenomenological density-ratio parameter L ≡ ρ_DE / ρ_DM as a flexible diagnostic of the relative importance of the two dark components. Building on this ratio, we propose a revised expansion relation that recovers the conventional low-redshift Hubble law while allowing a density-dependent modification at larger distances. Any such alternative must ultimately be tested against the established observational constraints provided by Type I supernovae, baryon acoustic oscillations, the cosmic microwave background, and large-scale structure surveys.
Keywords: cosmological constant, dark energy, dark matter, cosmic expansion, Hubble parameter, cosmological distance, vacuum energy, James Webb Space Telescope
Cite this article
Lie Chun Pong (2026). Novel Proposal of the Cosmological Constant: Dark Energy, Dark Matter, and the Accelerated Expansion of the Universe. Journal of Natural Science Research and Review, 2(10), 336-338. https://www.ep-journals.org/articles/novel-proposal-of-the-cosmological-constant-dark-energy-dark-matter-dcf2c3ca
@article{Lie2026,
title = {Novel Proposal of the Cosmological Constant: Dark Energy, Dark Matter, and the Accelerated Expansion of the Universe},
author = {Lie Chun Pong},
journal = {Journal of Natural Science Research and Review},
year = {2026},
volume = {2},
number = {10},
pages = {336-338},
url = {https://www.ep-journals.org/articles/novel-proposal-of-the-cosmological-constant-dark-energy-dark-matter-dcf2c3ca}
}Questions about this article
Who wrote this article?
Lie Chun Pong.
Where and when was it published?
In Journal of Natural Science Research and Review, Volume 2, Issue 10, pages 336-338, published by EP Journals Group on 28 October 2026.
Is this article free to read?
Yes. It is open access under a Creative Commons Attribution 4.0 (CC BY 4.0) licence, so anyone can read, share and reuse it with attribution.
What is the DOI of this article?
10.65150/EP-jnsrr/V2E10/2026-05. Registration with Crossref is in progress.
How do I cite this article?
APA: Lie Chun Pong (2026). Novel Proposal of the Cosmological Constant: Dark Energy, Dark Matter, and the Accelerated Expansion of the Universe. Journal of Natural Science Research and Review, 2(10), 336-338. https://www.ep-journals.org/articles/novel-proposal-of-the-cosmological-constant-dark-energy-dark-matter-dcf2c3ca
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