Results 11 to 20 of about 32,266 (262)

Explicit Second Partial Derivatives of the Ferrers Potential

open access: yesGalaxies, 2017
One of the algebraic potentials most commonly used to represent a galactic bar in the stellar orbits integration is the Ferrers potential. Some researchers may be inclined to implement a numerical differentiation for it in the motion or variational ...
Lucas Antonio Caritá   +2 more
doaj   +1 more source

Effect of peculiar velocities on the gravitational potential in cosmological models with perfect fluids

open access: yesPhysics Letters B, 2020
We consider a universe filled with perfect fluid with the constant equation of state parameter ω. In the theory of scalar perturbations, we study the effect of peculiar velocities on the gravitational potential.
Alvina Burgazli   +3 more
doaj   +1 more source

On the similarity of electromagnetic and gravitational fields [PDF]

open access: yesE3S Web of Conferences, 2023
It is well known that gravitational quantities are in many ways similar to electromagnetic quantities. The masses that create a gravitational field are similar in this to electric charges.
Kanareykin Aleksandr
doaj   +1 more source

Sensitivity to dark sector scales from gravitational wave signatures

open access: yesJournal of High Energy Physics, 2022
We consider gravitational sound wave signals produced by a first-order phase transition in a theory with a generic renormalizable thermal effective potential of power law form.
James B. Dent   +4 more
doaj   +1 more source

A lab-based test of the gravitational redshift with a miniature clock network

open access: yesNature Communications, 2023
Einstein’s theory of general relativity predicts that a clock at a higher gravitational potential will tick faster than an otherwise identical clock at a lower potential, an effect known as the gravitational redshift.
Xin Zheng   +4 more
doaj   +1 more source

About the Teaching of the Inertial Fieldas Maxwell like-type [PDF]

open access: yesRevista Brasileira de Ensino de Física, 2021
This paper has a didactic aim. The Einstein General Theory of Relativity is very difficult for undergraduates students and also for graduates who have not followed a course of study in gravitational physics.
Elmo Benedetto   +2 more
doaj   +2 more sources

The Newtonian potential in gravitational cohomology. [PDF]

open access: yesPhysics Essays, 2009
We examine the Newtonian potential in gravitational cohomology. This is given by a symmetric, two-index tensor field, which satisfies the wave equation in empty space. Furthermore, the associated gravitational field strength, obtained by applying the coboundary operator to the potential, is constructed for the case of a stationary point mass and shown ...
openaire   +2 more sources

Determining Symmetry Properties of Gravitational Fields of Terrestrial Group Planets [PDF]

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2016
Numerous models of gravity fields of the Solar system bodies have been constructed recently owing to successful space missions. These models are sets of harmonic coefficients of gravity potential expansion in series of spherical functions, which is ...
R.A. Kascheev, I.O. Novlyanskaya
doaj  

Comparison the readings of gravity field and it‘s gradient potential

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2019
The problem of studying the deep structure of the earth’s crust is one of the strategic directions of geophysical research, ensuring the development of Earth sciences.
М.О. Kenzhebayeva
doaj   +1 more source

COSMOLOGICAL PERTURBATIONS IN PRESENCE OF SCALAR FIELDS

open access: yesOdessa Astronomical Publications, 2014
We investigate the role of the scalar field assuming its presence at late stages of the Universe evolution together with dust presented by a system of an arbitrary number of gravitating masses (galaxies, groups of galaxies and clusters of galaxies) and ...
A. Yu. Burgazli, M. Eingorn, A. Zhuk
doaj   +1 more source

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