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. WebMar 10, 2024 · The Bumblebee Model and other Gravitational UFOs 13:20-13:40 Don Colladay (New College) Fermions in Schwarzschild Background with Torsion 13:40-14:00 Albert Petrov (UF Paraiba) Metric-Affine Bumblebee Gravity: Classical and Quantum Aspects 14:00-14:20 Zonghao Li (Indiana) Diffeomorphism and Local Lorentz Violations …
Bumblebee gravity with a Kerr–Sen like solution and its …
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 WebJan 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 … radio yhteystiedot
Bumblebee gravity
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 … WebJan 1, 2024 · Bumblebee gravity with a Kerr–Sen like solution and its Shadow S. K. Jha, A. Rahaman Physics The European Physical Journal C 2024 We have considered the bumblebee gravity model where lorentz-violating (LV) scenario gets involved through a bumblebee field vector field Bμ\documentclass [12pt] {minimal} \usepackage … WebDec 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 … radio x johnny vaughan