Level changes in the first world and their symptoms

Level changes in the first world and their symptoms

The pounding of circular waves from a shift about 10 picoseconds after the Big Bang triggers the gravitational waves observed by LISA. Photo: David Weir

Changes in temperature, such as the boiling of water or the melting of a metal, are common but exciting events that have led to wonders over the years. These often occur when the temperature of an object, through the nucleation of the nuclei of a new level, then expands. In the end, the new division took over the entire box.

The entire universe is created with a hot plasma that decreases in temperature as the universe expands. It is believed by many physicists that the level could change soon after the Big Bang. This leads to the nucleation of the cells and their subsequent union. Such combinations create strong waves in space that can be seen on advanced gravity wave detectors. The Laser Interferometer Space Antenna (LISA), with a start date of 2037, is one such research that can detect these waves around the world.

However, it is difficult to explain the changes in the world. University of Helsinki researchers Oscar Henriksson, Mark Hindmarsh, and Niko Jokela, along with colleagues at the University of Oviedo and the University of Sussex, tackled this problem using technology from the string concept called holographic duality. They showed how the nucleation can be used to document the problem in a fixed object, and how the critical parameters that explain the nucleation bubble and gravitational wave signals can be translated by related.

In the future, these new methods can be directly applied to more realistic models, where the development of the Model Model of particle physics can begin.

The results were published on March 29 in the journal Physical inspection messages. The team records the cross -sectional area, calculating the velocity of the thigh wall, necessary to explain the full basic causes of the motion of the entire universe and the image taken in the point of the gravitational wave.

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More information:
FĂ«anor Reuben Ares et al, Gravitational waves in strong coupling from a straightforward process, Physical inspection messages (2022). DOI: 10.1103 / PhysRevLett.128.131101

Presented by the University of Helsinki

Directions: Retrieved 14 April 2022 from https://phys.org/news/2022-04-phase-transitions-early-universe.html.

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