Problems with Inflation

Jun 9, 2021 ... How do we know? We have found the radiation left over from when the first atoms formed (the cosmic microwave background radiation) and ... Apr 8, 2019 ... Both properties strongly suggest that the initial state of the Big Bang universe was the result of a very different epoch preceding it—the so- ... Some studies suggest that the state of the universe before the Big Bang is unknown and requires assumptions, while other studies propose scenarios like ... Aug 27, 2022 ... It's like the alphabet soup of physics. And before that? We don't know. We don't know because we have never tested what matter does at energy ... The most popular theories about the earliest phases of the Big Bang describe a process called inflation that started from a so-called so-called 'false vacuum', ... Jul 1, 2007 ... It is practically impossible to draw conclusions about fluctuations of the Universe before the Big Bang: the relevant parameter is suppressed by ... By working backwards, they hypothesized that the Universe was denser and hotter in the past. If you make a naive extrapolation, you can go all the way back to a ... Aug 27, 2014 ... Inflation certainly occurs after the cosmological singularity, but before several important events of the Big Bang. In other words, the ... The Big Bang should have created equal amounts of matter and antimatter. So ... One of the greatest challenges in physics is to figure out what happened ... Jun 23, 2024 ... What Came Before the Big Bang? By studying the geometry of model space-times, researchers offer alternative views of the universe's first ...