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Gravitational field

Energy and angular momentum of the gravitational field in the teleparallel geometry

Energy and angular momentum of the gravitational field in the teleparallel geometry

... the gravitational energy. However, an expression for the gravitational field energy has been pursued since the early days of general rela- ...the gravitational energy ...the ...

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Gravitational Field Shielding by Scalar Field and Type II Superconductors

Gravitational Field Shielding by Scalar Field and Type II Superconductors

... scalar field [13], which can modify both the electromagnetic and gravitational ...scalar field can reduce the electromagnetic field of a charged object and thus polarize the space around the ...

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Models for Quarks and Elementary Particles. Part III: What is the Nature of the Gravitational Field?

Models for Quarks and Elementary Particles. Part III: What is the Nature of the Gravitational Field?

... Gravitational fields reach infinitely far according to our current ideas. The loci of the quarks (sinus oscillations) of which we and our environment consist, are traversed within 10 20 (electrons) to 10 25 ...

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Time of flight and range of the motion of a projectile in a constant gravitational field

Time of flight and range of the motion of a projectile in a constant gravitational field

... the horizontal ( ) . The projectile moves in a constant gravitational ield of strength g under the inluence of a retarding force proportional to the velocity. Let σ denote the constant of resistance per unit mass ...

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Buoyant force in a nonuniform gravitational field

Buoyant force in a nonuniform gravitational field

... When an arbitrarily-shaped body is fully immersed in a liquid in equilibrium, it gets from the liquid a non- null hydrostatic force known as buoyant force. It is an easy task to apply the divergence theorem to show that ...

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Braz. J. Phys.  vol.36 número1B

Braz. J. Phys. vol.36 número1B

... The gravitational field of a cosmic string is quite remark- able; a particle placed at rest around a straight, infinite, sta- tic string will not be attracted to it; there is no local grav- ...external ...

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 Forces of Space Non-Holonomity as the Necessary Condition for Motion of Space Bodies

Forces of Space Non-Holonomity as the Necessary Condition for Motion of Space Bodies

... We see from (35–37) that trajectories of a freely falling satellite in the Earth’s gravitational field conclude correc- tions for the daily rotation of the Earth. Besides that, the motion in the z-direction ...

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Braz. J. Phys.  vol.35 número2B

Braz. J. Phys. vol.35 número2B

... a gravitational field of a protoneutron ...rotating gravitational source (such as pulsars) with angular velocity , one finds that the spin connections (entering in the Dirac equation written in ...

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Does the Equivalence between Gravitational Mass and Energy Survive for a Quantum Body?

Does the Equivalence between Gravitational Mass and Energy Survive for a Quantum Body?

... passive gravitational mass of a composite ...Earth gravitational field, where we take into account only kinetic and Coulomb potential energies of an electron in a curved ...passive ...

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Braz. J. Phys.  vol.40 número1

Braz. J. Phys. vol.40 número1

... a gravitational field is not localizable, that is, defined in a finite region of ...the gravitational field that is dependent of the sec- ond derivative of the metric ...the ...

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Gravity as an Ultra-Low Frequency Scattering Effect

Gravity as an Ultra-Low Frequency Scattering Effect

... weak gravitational field approximation, and, for the 00-component of the stress-energy tensor, Einstein’s field equations reduce to Newton’s model for a gravitational field which is ...

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Relativistic Dynamical Theory for Test Particles and Photons in Static Spherically Symmetric Gravitational Fields

Relativistic Dynamical Theory for Test Particles and Photons in Static Spherically Symmetric Gravitational Fields

... 4. Schwarzschild K. ¨ Uber das Gravitationsfeld eines Massenpunktes nach der Einsteinschen Theorie. Sitzungsberichte der K¨oniglich Preus- sischen Akademie der Wissenschaften, 1916, 189–196 (published in En- glish as: ...

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Bol. Ciênc. Geod.  vol.20 número1

Bol. Ciênc. Geod. vol.20 número1

... modern gravitational missions were developed with specific ...(Gravity field and steady-state Ocean Circulation Explorer) (ESA, ...a gravitational field model at the ~ 1-2 cm accuracy level ...

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Introducing Distance and Measurement in General Relativity: Changes for the Standard Tests and the Cosmological Large-Scale

Introducing Distance and Measurement in General Relativity: Changes for the Standard Tests and the Cosmological Large-Scale

... the gravitational field, to describe the metric in terms of the only quantity that is measurable in the gravitational field — the great circumference (see also ...

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Suppressing Fermi acceleration in two-dimensional driven billiards

Suppressing Fermi acceleration in two-dimensional driven billiards

... constant gravitational field, while the driven oval-like shaped billiard is a 2D system, the dissipation used in the bouncer model is qualitatively different from the dissipation used in this section, the ...

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Braz. J. Phys.  vol.35 número4B

Braz. J. Phys. vol.35 número4B

... the gravitational field can access to the ...bulk field equations have no known exact solutions representing static and spherically symmetric black holes with horizon on the ...

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Braz. J. Phys.  vol.36 número1B

Braz. J. Phys. vol.36 número1B

... scalar gravitational field, leading to an exact local conservation law for the total (material plus gravitational) energy; to investigate the main features of this new version of the theory; and to ...

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Braz. J. Phys.  vol.35 número2A

Braz. J. Phys. vol.35 número2A

... itational field as a classical field with quantum matter ...quantum field this theory is robust in the sense that it is consistent and fairly well understood [1, ...tional field is described ...

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Braz. J. Phys.  vol.35 número4B

Braz. J. Phys. vol.35 número4B

... The space-time of a cosmic string is quite remarkable: its geometry is flat everywhere apart from the symmetry axis. The space-time around a cosmic string is locally flat but not globally. Thus, the external ...

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GRAVITATIONAL THERAPY IN COMPLEX TREATMENT OF LUMBAR OSTEOCHONDROSIS PATIENTS

GRAVITATIONAL THERAPY IN COMPLEX TREATMENT OF LUMBAR OSTEOCHONDROSIS PATIENTS

... Анализир я пол ченные рез льтаты, можно отме- тить, что проведение омпле сно о лечения с исполь- зованием метода равитационной терапии пациен- тов с остеохондрозом позвоночни а сопровожд[r] ...

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