In general relativity, a dust solution is a fluid solution, a type of exact solution of the Einstein field equation, in which the gravitational field...
6 KB (812 words) - 14:37, 8 February 2024
In mathematical physics, a null dust solution (sometimes called a null fluid) is a Lorentzian manifold in which the Einstein tensor is null. Such a spacetime...
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Gödel metric (redirect from Gödel solution)
swirling dust particles (see dust solution), and the second associated with a negative cosmological constant (see Lambdavacuum solution). This solution has...
25 KB (3,884 words) - 17:50, 5 September 2024
relativity, the van Stockum dust is an exact solution of the Einstein field equations in which the gravitational field is generated by dust rotating about an axis...
11 KB (2,068 words) - 18:38, 22 May 2024
Cosmic dust or interstellar dust, in intergalactic clouds Dust solution, a type of exact solution in general relativity Mineral dust, atmospheric aerosols of...
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radiation chart, Bondi mass–energy–momentum, LTB dust, maverick models), William B. Bonnor (Bonnor beam solution), Robert H. Boyer (Boyer–Lindquist coordinates)...
20 KB (1,819 words) - 15:56, 2 July 2024
is not yet a clear consensus on the sources or potential solutions to the problem. The dust in Iraq and Iran are migratory systems that move from west...
25 KB (2,686 words) - 23:55, 12 September 2024
Kerr metric (redirect from Kerr solution)
moments). However, the exterior of the Neugebauer–Meinel disk, an exact dust solution which models a rotating thin disk, approaches in a limiting case the...
52 KB (6,603 words) - 06:53, 27 August 2024
and dusts and radiation fluids each require only one function. It is much easier to find such solutions than it is to find a general fluid solution. Among...
11 KB (2,175 words) - 10:48, 23 October 2022
remove air in the solution (invention of Crowe), and zinc dust is used instead of zinc shavings (improvement of Merrill). The solution is separated from...
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only solution is to use the American nuclear monopoly while it still exists. Any other world power, such as the Eurasian Union, might create such dust and...
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Stephani dust solution. 1968 – F. J. Ernst discovers the Ernst equation. 1968 – B. Kent Harrison discovers the Harrison transformation, a solution-generating...
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Mixture (redirect from Homogeneous solution)
substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids. Mixtures are one product of mechanically blending...
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under the direction of Jon Mathews. In 1969, he published an exact null dust solution to the Einstein field equation and thereby created the photon rocket...
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the field energy (and momentum) of the electromagnetic field, Null dust solutions: T α β {\displaystyle T^{\alpha \beta }} must correspond to a stress–energy...
25 KB (3,323 words) - 11:23, 23 August 2024
Saharan dust (also African dust, yellow dust, yellow sand, yellow wind or Sahara dust storms) is an aeolian mineral dust from the Sahara, the largest hot...
60 KB (7,110 words) - 19:12, 26 August 2024
high-volume dust loads, a dust collector system consists of a blower, dust filter, a filter-cleaning system, and a dust receptacle or dust removal system...
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the Lemaître–Tolman metric, an inhomogeneous, spherically symmetric dust solution (often called the LTB or Lemaître–Tolman–Bondi metric). Bondi also contributed...
18 KB (1,713 words) - 12:59, 4 August 2024
Kerr–Newman metric (redirect from Kerr-Newman solution)
(null dusts) or dark matter, and thus provides an incomplete description of stellar mass black holes and active galactic nuclei. The solution however...
31 KB (4,780 words) - 05:19, 11 September 2024
Bonnor beam (category Exact solutions in general relativity)
\\\end{array}}\right.} This is a null dust solution and can be interpreted as incoherent electromagnetic radiation. The exterior part of the solution is defined by { d s...
3 KB (494 words) - 13:31, 18 June 2024
The interplanetary dust cloud, or zodiacal cloud (as the source of the zodiacal light), consists of cosmic dust (small particles floating in outer space)...
24 KB (2,424 words) - 05:46, 7 September 2024
Martian regolith (redirect from Mars dust settling)
littered with rocks and boulders. The dust is occasionally picked up in vast planet-wide dust storms. Mars dust is very fine, and enough remains suspended...
46 KB (4,646 words) - 14:44, 13 August 2024
other words, the fluid has zero pressure, so that we are considering a dust solution. The condition that the congruence corresponding to the fluid particles...
3 KB (394 words) - 15:42, 28 October 2023
Vaidya metric (category Exact solutions in general relativity)
between Vaidya and Schwarzschild metrics. Schwarzschild metric Null dust solution Eric Poisson. A Relativist's Toolkit: The Mathematics of Black-Hole...
21 KB (3,476 words) - 08:05, 24 May 2024
From Dust is a god video game, designed by Éric Chahi and developed by Ubisoft Montpellier. The game was released for Microsoft Windows, PlayStation Network...
51 KB (4,993 words) - 16:34, 4 August 2024
Pp-wave spacetime (category Exact solutions in general relativity)
can be interpreted, in the context of general relativity, as a null dust solution. Also, the Weyl tensor always has Petrov type N as may be verified by...
23 KB (3,404 words) - 13:28, 18 June 2024
arise in studying the world lines of the dust particles in cosmological models which are exact dust solutions of the Einstein field equation (provided...
11 KB (1,756 words) - 21:34, 3 May 2023
Nitrophenyl pentadienal (redirect from Spy Dust)
nitrophenylpentadienal, NPPD, or METKA (Russian for "mark") colloquially known as "spy dust", is a chemical compound used as a tagging agent by the KGB during the Cold...
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1966 he and Ronald Kantowski were responsible for the Kantowski–Sachs dust solutions to the Einstein field equation. These are widely used family of anisotropic...
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