Articles tagged with Cosmic Inflation
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The Atacama Cosmology Telescope's sixth and final data release confirms the 'Hubble tension' and rules out extended cosmological models, providing new insights into the Universe's evolution and current state. ACT's observations offer a cleaner starting point for future research.
Researchers propose using lensed gravitational waves from binary black holes to measure cosmic expansion. The method uses the delays between repeat appearances of these signals to encode the universe's expansion rate. This approach does not rely on knowing the exact locations or distances of binary black holes, making it a promising to...
University of Florida astronomers discovered parity symmetry violation, a broken symmetry that explains why there's more matter than antimatter. This finding confirms the Big Bang theory and addresses the question of why something exists instead of nothing.
Astrophysicists have identified a potential test to rule out cosmic inflation, a theory explaining the universe's origins. The cosmic graviton background (CGB) could provide evidence against inflation if detected, and its impact on the early Universe's expansion rate could be measured by next-generation probes.
Researchers propose using precision data from upcoming experiments to test the cosmological collider effect and unravel the mystery of matter's origin. They suggest that leptogenesis, a well-known mechanism, could be used to explain the imbalance between matter and antimatter in the early universe.
Physicists have narrowed the axion mass range to 40-180 micro-eV using advanced simulations and supercomputer power. This new estimate suggests that the most common type of experiment to detect axions won't be able to detect them, regardless of tuning.
The BICEP3 experiment has ruled out several popular inflation models, including some motivated by string theory. The findings suggest that the correct model will be slightly more complicated than those ruled out, but still offer a wide range of viable alternatives.
Researchers simulated the critical reheating period at the end of cosmic inflation, which may have bridged the gap between inflation and the Big Bang. The simulations suggest that quantum effects could have redistributed energy quickly, producing conditions necessary for the start of the Big Bang.
The 2014 Kavli Prize winners made significant contributions to our understanding of cosmic inflation, nano-optics, and brain networks. Their discoveries have revolutionized fields like astrophysics, nanoscience, and neuroscience.
Researchers using South Pole Telescope aim to detect extremely weak gravity waves produced by cosmic inflation. The detection could provide conclusive evidence for the theory, ruling out competing ideas for the universe's origin.