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Nov 28, 2023Open Access
It has been demonstrated that dark matter (DM) can theoretically be completely explained by a natural effect of General Relativity (GR) without exotic matter, the Lense-Thirring effect that exists exclusively in GR and that would be due to the clusters of galaxies. In this study, we show that this explanation of DM leads to a modelization that can be interpreted as MOND-based theories. More concretely, we retrieve from GR the value of MOND parameter a 0~10 -8cm·s -...
Oct 31, 2023Open Access
This research seeks to understand the fundamental properties of matter, such as mass, charge, and spin, and how they interact with each other. By studying the behaviour of these particles in different environments, scientists can gain insight into the nature of the universe. This research also has implications for our understanding of dark matter and dark energy, which are believed to make up the most of the universe’s mass but remain largely mysterious. Additionally, this research may provide c...
Oct 16, 2023Open Access
The Tully-Fisher law M ∝ v α is an empirical relationship between the mass of a galaxy and its asymptotic rotation velocity. The purpose of this research is to demonstrate that this relation can be theoretically obtained in General Relativity (GR) with a particular solution of dark matter (DM) in very good agreement with the observations. Several years ago, it was demonstrated that DM can theoretically be completely explained by a natural effect of GR without exotic matter, ...
Jul 27, 2023Open Access
It has been demonstrated that dark matter can theoretically be completely explained by a natural effect of General Relativity (GR) without exotic matter or exotic correction as MOND, an effect that exists exclusively in GR and which is traditionally considered negligible. We give the values of this effect necessary to fully explain the dark matter component. In the framework of GR, this solution is mathematically as valid and legitimate as the hypothesis of an “ad hoc” addition of exotic materia...
Jan 04, 2023Open Access
We introduce the concept of equivalent electromagnetic (EEM) field, on the basis of which we describe the gravitational field (G-field). We determine this EEM field based on the principle of equivalence (PE), i.e. by direct application of PE in the field equations and in the equations of motion, by introducing the EEM field potential. In this way, we introduce the mathematical formalism of the electromagnetic (EM) field into the G-field equations. This procedure of describing the G-field has a l...
Nov 29, 2022Open Access
This paper proposes a physical solution to primordial inflation. It occurs by a scalar field with a slow-rolling period. It starts at the phase transition giving rise to the gravitational interaction at time ti ~ 10 -44 s, Planck time, and ends at time tf ~ 10 -42 s (or more exactly about 70 e-folds later). This scalar field is carried by a primordial particle of inert mass mp ~ 1...
Apr 25, 2022Open Access
In this article, it is shown that if a particle is at rest and has some harmonic oscillation, then a traveling particle with a constant speed corresponds to a De Broglie Wave. In 1924, De Broglie proposed that particles of matter exhibit wave like behavior, the expression for which became fundamental in the creation of wave mechanics (quantum mechanics). The main equation for this is the Schrödinger equation, which in the case of free motion of a particle becomes the expression for the De B...
Jan 13, 2022Open Access
The original online version of this article (Liu, J.C. (2016) A Cosmological Model and Modifications to Einstein’s Theory of Relativity. Open Access Library Journal, 3: e2394. http://dx.doi.org/10.4236/oalib.1102394) unfortunately contains some mistakes. The author wishes to correct the errors in the following version.
Dec 28, 2021Open Access
Stars are light years away, and their brightness depends on multiple variables. Starting in the 20th century, artificial satellites were launched that added to the bright bodies of the observable sky. From 26.816 satellite observations and 9.037 stars visible to the naked eye, regression models were made between brightness and distances. The existence of a visual convergence plane that receives light photons arriving with a delay, c = 299.792.458 m·s -1 was assumed. Under the principle...
Oct 21, 2021Open Access
This paper introduces a new way to calculate gravity force from mass total energy, instead of from matter of mass. By introducing total energy (E1 and E2) of the two objects into Newton’s gravitational theory, Newton’s gravitational formula can be modified from F = GM 1M 2/r 2 as F = GE 1E 2/(C 4r 2). E 1 and E 2 are the total energy of the two objects and C is the light speed. Then this formula can be furt...
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