Whether Lyra’s Manifold Itself is aHidden Source of Dark Energy

2017/06/07 by Kangujam Priyokumar Singh, Koijam Manihar Singh, Mahbubur Rahman Mollah
Physics and Astronomy · #Astrophysics #Cosmological constant #Cosmology #Cosmology and Gravitation Theories #Dark energy #Galaxies: Formation, Evolution, Phenomena #Geology #Manifold (fluid mechanics) #Metric expansion of space #Physics #Quintessence #Solar and Space Plasma Dynamics #String (physics) #Theoretical physics #Type (biology) #Universe #msc:83C15 #msc:83CXX #msc:83F05 #physics.gen-ph

paper · pdf · doi:10.1007/s10773-017-3417-4

published as Int. J. Theor. Phys. (2017) 56 : 2607 - 2621 · 21 pages, 7 figures. arXiv admin note: substantial text overlap with arXiv:1901.11394; text overlap with arXiv:1508.06544 by other authors

openalex publication_date 2017/06/07 · openalex created_date 2017/06/15 · arxiv created 2019/01/28 · arxiv updated 2019/02/14 · openalex updated_date 2026/08/06

Abstract

In the course of investigation of some interesting cosmic string universes in the five dimensional Lyra manifold it is excitingly found that the geometry itself of Lyra manifold behaves as a new source of dark energy and this energy takes a form similar to that of quintessence in most of the cases, though in one case the dark energy comes out to be that of the cosmological constant type. The behaviour of the universes and their contribution to the process of evolution are examined. Further study of such type of universes will be very helpful in explaining the present accelerated expansion behaviour of the universe.

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