Journal ArticleDOI
Pure magnetic and electric geons
TLDR
In this paper, a rigorous, static, cylindrically symmetrical solution of the combined sourceless Einstein-Maxwell system showing the persistent local energy-stress concentration that can be taken as the defining characteristic of a geon was obtained.About:
This article is published in Physics Letters.The article was published on 1964-01-01. It has received 433 citations till now. The article focuses on the topics: Geon (physics) & Magnetic flux.read more
Citations
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The Gravitational Hamiltonian, action, entropy and surface terms
TL;DR: In this paper, the authors give a derivation of the gravitational Hamiltonian starting from the Einstein-Hilbert action, keeping track of all surface terms, which can be applied to any spacetime that asymptotically approaches a static background solution.
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Biaxially symmetric solutions to 4D higher spin gravity
TL;DR: In this paper, the authors review some aspects of biaxially symmetric solutions to Vasiliev's equations in four-dimensional spacetime with a negative cosmological constant.
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Spacetime as a membrane in higher dimensions
TL;DR: In this article, the authors investigated the possibility that spacetime is a membrane embedded in higher dimensions and presented cosmological solutions of d-dimensional Einstein-Maxwell theory which compactify to two dimensions.
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S-brane solutions in supergravity theories
TL;DR: In this paper, time dependent solutions of supergravities with dilaton and arbitrary rank antisymmetric tensor field are found, which are related to Euclidean or spacelike branes.
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Numerical methods for finding stationary gravitational solutions
TL;DR: In this paper, the mathematical foundations and a practical guide for the numerical solution of gravitational boundary value problems are explained and several tools and tricks that have been useful throughout the literature are presented.
References
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Journal ArticleDOI
Neue Lsungen der Einsteinschen Gravitationsgleichungen: B. Explizite Aufstellung statischer axialsymmetrischer Felder
Rudolf Bach,H. Wevl +1 more
Journal ArticleDOI
Nature of Strong Radio Sources
Fred Hoyle,William A. Fowler +1 more
TL;DR: In this paper, the authors examined the possibility that masses of gas, l0/sup 5/ to 10/sup 8/sun masses, may accumulate at the center of galaxies and may behave as stars, based on the energy requirements of strong radio galaxies that seem to demand large aggregations that either draw on nuclear energy or on the very consideiable gravitational energy that can arise in a massive body of stellar dimensions.