Bumblebee gravity

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August undefined, 2024

WebJun 7, 2024 · This stationary, axisymmetric, and asymptotically flat 4-dimensional Kerr-like black hole solution prescribed in the bumblebee gravity theory is obtained with a bumblebee vector field, which is coupled to the spacetime curvature and acquires a vacuum expectation value that induces the LSB. WebMay 21, 2024 · Bumblebee gravity could explain dark energy — if it's proven true. Fate of Schrödinger's cat probably isn't in the hands of gravity, experiment finds By Mike McRae published 14 September 20 Can...

[PDF] Study of Einstein-bumblebee gravity with Kerr-Sen-like …

WebJan 30, 2024 · The bumblebee gravity model includes a class of vector-tensor theories of gravitation where the vector field couples to the Ricci tensor quadratically. We obtain an analytical spherical... WebApr 4, 2024 · We consider the metric-affine formulation of bumblebee gravity, derive the field equations, and show that the connection can be written as Levi-Civita of a disformally related metric in which the bumblebee field determines the disformal part. mcgrath rail llc

Probing bumblebee gravity with black hole X-ray data

WebMar 30, 2024 · The bumblebee gravity model includes a class of vector-tensor theories of gravitation where the vector field couples to the Ricci tensor quadratically. We obtain an analytical spherical... WebAug 15, 2024 · Bumblebee gravity is one of the simplest gravity theories with spontaneous Lorentz symmetry breaking. Since we know a rotating black hole solution in bumblebee gravity, we can potentially test this model with the … WebMore specifically, owing to the presence of a dimensionless Lorentz symmetry breaking (LSB) parameter l arising from nonminimal coupling between the bumblebee field with nonzero vacuum expectation value and gravity, the metric solution in question differs from the standard slowly rotating Kerr black hole. liberty board of realtors hudson county

Greybody radiation and quasinormal modes of Kerr-like black hole …

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WebFeb 27, 2024 · By idealizing the thin accretion disk temperature profile in the two forms of isothermal and gradient around the bumblebee gravity-based slow rotating black hole, we investigate the influence of spontaneous LSB on the -annihilation efficiency. WebJan 12, 2024 · The bumblebee gravity model is a vector-tensor theory of gravitation where the vector field nonminimally couples to the Ricci tensor. liberty board of realtors phone numberWebIn the temporary state of zero gravity, Bumblebee took the opportunity to kill Nitro Zeus by blowing up his head. Optimus then distracted Quintessa allowing Bumblebee to blast her from behind (with a quippy one liner) … liberty bodice 1950s

"Special relativity is so essential to physics that it's almost a metatheory of physics: If you want to concoct your own idea of how the universe works, it has to be compatible with the dictates of special relativity. Or not. Physicists are constantly trying to cook up new and improved theories of physics, because … See more Physicists love symmetry; after all, it helps us understand some of the deepest secrets of the universe. For example, physicists have realized that if you conduct an experiment on fundamental physics you can move your … See more So you have a buzzy new theory of gravity based on some icon-smashing ideas like symmetry violation. Where would you go to test that idea? … See more " - Bumblebee gravity

Bumblebee gravity

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WebJun 14, 2024 · In the framework of the bumblebee gravity theory, the spontaneous Lorentz symmetry breaking is induced by a vector B_ {\mu } with a non-zero nonzero vacuum expectation value. Through a coupling, the bumblebee vector field B_ {\mu } would affect the dynamics of the gravitational field. WebSep 6, 2024 · The bumblebee gravity model is a vector-tensor theory of gravitation where the vector field nonminimally couples to the Ricci tensor. By investigating the vacuum …

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WebNov 7, 2024 · We have obtained an exact vacuum solution from a gravity sector contained in the minimal standard-model extension. The theoretical model assumes a Riemann spacetime coupled to the bumblebee field which is responsible for the spontaneous Lorentz symmetry breaking. WebDec 13, 2024 · Current observations have placed stringent constraints on the anisotropy induced by the background, while our theoretical study still reveals some novel …

WebFeb 26, 2011 · Now, you don't need to be a scientist to raise an eyebrow at this assertion, but it sure is easier to explain the bumblebee's physics … WebJul 9, 2024 · The first black hole solution in such a theory of Einstein-bumblebee gravity is obtained by R. Casana et al [20], which is an exact solution described the gravity of a …

WebMar 16, 2024 · The bumblebee gravity model is a vector–tensor gravitational theory that serves as an alternative to Einstein's general relativity (GR). The vector field, called the bumblebee field, in the theory enters the action the same way as the electromagnetic (EM) four-potential, only that the bumblebee field B μ couples to the Ricci tensor R μ ν … WebMay 16, 2024 · In 1989, Kostelecký and Samuel [2] proposed the bumblebee gravity theory as the simplest model for studying the spontaneous Lorentz symmetry breaking (LSB), in which a bumblebee field with a...

WebOne of the most powerful uses of bumblebee gravity models is to potentially explain dark energy —the phenomenon responsible for the observed accelerated expansion of the …

WebNov 27, 2024 · Study of Einstein-bumblebee gravity with Kerr-Sen-like solution in the presence of a dispersive medium. A Kerr-Sen-like black hole solution appears in the Einstein-bumblebee theory of gravity. The solution contains contains a Lorentz violating parameter in an explicit manner. We study the null…. liberty board of education hinesville gaWebJan 17, 2024 · According to researchers, the concept of bumblebee gravity describes what would happen if the seemingly perfect symmetry of the universe isn't so perfect after all. The study stated that if scientists find … liberty bodices 1940WebDec 13, 2024 · Lorentz violation modifies the dispersion relation of gravitational waves (GWs), and induces birefringence and anisotropy in propagation. Our study shows that Lorentz violation can also activate multiple polarizations of GWs. We use the gauge invariants to investigate the polarizations of GWs in the bumblebee gravity model, and … liberty boilers lethbridgeWebJul 29, 2024 · Polarizations of Gravitational Waves in the Bumblebee Gravity Model. Lorentz violation modifies the dispersion relation of gravitational waves (GWs), and … mcgrath qldWebA particular example of this is the bumblebee gravity models [17–24]. The pure-gravity sector of the SME has been built in a Riemann-Cartan background, which allows for the presence of dynamical ... liberty board of education hinesvilleWebFind many great new & used options and get the best deals for HASBRO Transformers Cyberverse Wheeljack Gravity Cannon NEW at the best online prices at eBay! Free shipping for many products! liberty board of realtors secaucusWebFind many great new & used options and get the best deals for 2009 Transformers Revenge of the Fallen Action Figure Gravity Bots Bumblebee at the best online prices at eBay! Free shipping for many products! liberty bodice for boys