According to modern concepts of the Big Bang theory, the currently observable Universe arose 13.799 ±
After the Big Bang, a primordial type of matter appeared, known as quark-gluon plasma, or QGP (quark-gluon plasma).
By itself, quark-gluon plasma -a state of aggregation of matter in high-energy and elementary particle physics, in which hadronic matter passes into a state similar to the state in which electrons and ions are found in ordinary plasma. It is preceded by the state of glasma. Consists of quarks, antiquarks and gluons.
The emergence of QGP lasted only a split second, and for the first time, scientists were able to investigate the characteristics of this liquid.
The new study shows the evolution of QGP and ultimately shows how the early universe evolved in the first microsecond after the Big Bang, the study authors explain.
After the Big Bang, the Universe was considereda bundle of energy before it quickly expanded. This allowed it to cool enough to form matter. The first particles to emerge in the Universe were quarks and gluons, which “glued” them together. As a result, a quark-gluon plasma was obtained. As the Universe cooled further, it formed subatomic particles—hadrons. Some of them are known today as protons and neutrons.
Breaking lead atomic nuclei with speed99.9999991% of the speed of light, scientists have created QGP at the Large Hadron Collider. In the course of the experiment, physicists discovered that a quark-gluon plasma is an ideal liquid. This means that it has almost no viscosity or resistance to flow, and also changes shape over time, unlike other forms of matter.
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