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The Principle of Relativity
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The article was published on 1920-01-01 and is currently open access. It has received 944 citations till now. The article focuses on the topics: Four-force & Special relativity (alternative formulations).read more
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Book ChapterDOI
Gravity and Spacetime
TL;DR: Unlike all the interactions we have described in earlier chapters, the gravitational one is a universal interaction experienced by all particles massive or massless due to their energy content as discussed by the authors, and it can be expressed as follows:
Journal ArticleDOI
Direct calculation of length contraction and clock retardation
TL;DR: In this article, it was shown that the perspective relativistic change of an object (corresponding to observations from two inertial frames), while certainly being an a causal effect, has a dynamical content in the sense that it is tantamount to an actual dynamical change of the object in one frame.
Journal ArticleDOI
First-order formalism for the quintom model of dark energy
M. R. Setare,Jafar Sadeghi +1 more
TL;DR: In this paper, a first-order formalism was introduced to solve the equations of motion for the quintom model driven by a couple scalar fields with firstorder differential equations.
Book ChapterDOI
On the Introduction of New Ideas in Science
TL;DR: Some new ideas or other sorts of innovative developments in science are recognized as more important than others, as highly significant, even “revolutionary.” With regard to such ideas or developments, however, we find that it seems that it was not the idea itself that was "new, but some sort of impact it had" as discussed by the authors.
Journal ArticleDOI
a Mathematical Solution of General Relativistic Binary Systems
TL;DR: In this article, a mathematical solution for general relativistic binary systems is obtained, and a conclusion concerning the black hole in some binary systems was deduced from the mathematical solution, based on which a conclusion about the existence of a black hole was derived.
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