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Universe
Special Issues
The Large-Scale Structure of the Universe: Theory and Observation
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The Large-Scale Structure of the Universe: Theory and Observation

A special issue of Universe (ISSN 2218-1997). This special issue belongs to the section "Cosmology".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 1200

Special Issue Editor

Prof. Dr. Jean-Michel Alimi

E-Mail Website
Guest Editor
Laboratory Universe and Theories, UMR 8102 CNRS, Observatoire de Paris, PSL Research University, 5 Place Jules Janssen, 92195 Meudon, France
Interests: cosmological physics; numerical cosmology; large scale structure formation; scalar-tensor and modified gravity theory; backreaction and inhomogeneous universes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Large-scale structure formation is a fundamental aspect of cosmology, covering the growth of galaxy clusters, filaments, walls and voids that shape the cosmic web. Theoretical progress, observational techniques and the increasing accumulation of data have revolutionized our understanding of large-scale structures.

This Special Issue aims to be a place of collaborative learning and to foster discussions that advance research in this dynamic field. By sharing diverse perspectives and cutting-edge research, the issue will contribute to collective knowledge and inspire new avenues of exploration in large-scale structure formation. By embracing the multidisciplinary nature of cosmology and presenting the latest theoretical and observational advances, this Special Issue aims to provide a comprehensive resource for researchers.

We encourage researchers to submit papers that provide new theoretical frameworks, present new observations or offer critical analyses of existing models. Contributions that attempt to bridge the gap between theory and observation, propose innovative methodologies or explore new ideas in the study of large-scale structure formation are particularly welcome. All articles submitted will undergo rigorous evaluation by a panel of experts in cosmology.

Prof. Dr. Jean-Michel Alimi
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Universe is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • cosmology
  • large-structure of the universe
  • galaxy clusters
  • cosmic voids
  • cosmic web
  • gravitational instability
  • gravity theories
  • cosmological parameters
  • dark matter
  • dark energy
  • redshift surveys
  • gravitational lensing
  • numerical cosmology
  • statistical learning
  • theory
  • observation

Published Papers (1 paper)

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Research

27 pages, 389 KiB  
Article
Theoretically Motivated Dark Electromagnetism as the Origin of Relativistic Modified Newtonian Dynamics
by Felix Finster, José M. Isidro, Claudio F. Paganini and Tejinder P. Singh
Universe 2024, 10(3), 123; https://doi.org/10.3390/universe10030123 - 04 Mar 2024
Cited by 1 | Viewed by 785
Abstract
The present paper is a modest attempt to initiate the research program outlined in this abstract. We propose that general relativity and relativistic MOND (RelMOND) are analogues of broken electroweak symmetry. That is, [...] Read more.
The present paper is a modest attempt to initiate the research program outlined in this abstract. We propose that general relativity and relativistic MOND (RelMOND) are analogues of broken electroweak symmetry. That is, SU(2)R×U(1)YDEM→U(1)DEM (DEM stands for dark electromagnetism), and GR is assumed to arise from the broken SU(2)R symmetry and is analogous to the weak force. RelMOND is identified with dark electromagnetism U(1)DEM, which is the remaining unbroken symmetry after the spontaneous symmetry breaking of the dark electro-grav sector SU(2)R×U(1)YDEM. This sector, as well as the electroweak sector, arises from the breaking of an E8×E8 symmetry in a recently proposed model of unification of the standard model with pre-gravitation, with the latter based on an SU(2)R gauge theory. The source charge for the dark electromagnetic force is the square root of mass, motivated by the experimental fact that the ratio of the square roots of the masses of the electron, up-quark, and down-quark is 1:2:3, which is the opposite of the ratio of their electric charges at 3:2:1. The introduction of the dark electromagnetic force helps us understand the peculiar mass ratios of the second and third generations of charged fermions. We also note that in the deep MOND regime, acceleration is proportional to the square root of mass, which motivates us to propose the relativistic U(1)DEM gauge symmetry as the origin of MOND. We explain why the dark electromagnetic force falls inversely with distance, as in MOND, rather than following the inverse square of distance. We conclude that dark electromagnetism effectively mimics cold dark matter, and the two are essentially indistinguishable in cosmological situations where CDM successfully explains observations, such as CMB anisotropies and gravitational lensing. Full article
(This article belongs to the Special Issue The Large-Scale Structure of the Universe: Theory and Observation)
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