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1 day ago · Alternatives to general relativity are physical theories that attempt to describe the phenomenon of gravitation in competition with Einstein's theory of general relativity. There have been many different attempts at constructing an ideal theory of gravity. These attempts can be split into four broad categories based on their scope. In this ...
4 days ago · Einstein's theory of general relativity is our best description of the universe at large scales, but a new observation that reports a "glitch" in gravity around ancient structures could force...
Apr 26, 2024 · Theoretical physicists have proposed a new solution to the Schrödinger's cat paradox, which may allow the theories of quantum mechanics and Einstein's relativity to live in better harmony.
- Andrey Feldman
May 7, 2024 · Gravity is one of four fundamental interactions. The most precise description of this force is still provided by Einstein's General Theory of Relativity, published in 1915, an entirely classical ...
2 days ago · A suitable modification to general relativity can in principle conceivably eliminate the need for dark matter. The best-known theories of this class are MOND and its relativistic generalization tensor–vector–scalar gravity (TeVeS), f(R) gravity, negative mass, dark fluid, and entropic gravity. Alternative theories abound.
1 day ago · This research study is primarily focus on investigating an exact vacuum solution characterized by a negative cosmological constant, $$\\Lambda < 0$$ Λ < 0 , within the framework of a modified gravity theory. Our specific focus is on a novel theory known as Ricci-inverse gravity. This vacuum solution is representative of an Anti-de Sitter (AdS) space, which, in general relativity, serves as a ...
May 8, 2024 · Researchers have proposed theories of Quantum Gravity, which combine General Relativity with Quantum Mechanics (the physics that applies at the smallest scales), but the physics community is divided regarding these different theories.
