Will it be possible to recreate processes from black holes and supernova explosions on Earth?
| Astronomy / Physics

Phenomena related to black holes, supernova explosions and other extreme space events It can be recreated on Earthsay researchers at Penstone University, SLAC National Accelerator Laboratory and Princeton Plasma Physics Laboratory. They demonstrated that modern technology allows to obtain successive processes described in quantum electrodynamics (QED cascades). Such processes underlie supernova explosions or fast radio flares, which release in milliseconds as much energy as the Sun does in a few days.

Kenan Koe, Sebastian Morin, and Nahanel J. Fish about the ship physical review messagesAbout obtaining the first theoretical evidence that the interaction of a laboratory laser with a dense beam of electrons will lead to the appearance of waterfalls. We have shown that what was once thought to be impossible is actually possible. This, in turn, shows that the phenomenon that we have not been able to directly observe until now can be obtained by using the latest lasers and devices to generate an electron beam., says lead author of the article Kenan Kuo.

The collision of a powerful laser pulse with a stream of high-energy electrons creates a dense cloud of electron-positron pairs that begin to interact. This in turn causes the plasma to act collectively, which in turn affects how these pairs together respond to electric or magnetic fields.

Plasma, a substance similar to ionized gas, contains free particles — ions and electrons — and makes up about 99% of the visible universe. It drives interactions in stars, and the processes that occur in it are highly dependent on electromagnetic fields.

“We were looking at ways to recreate the conditions to create electron-positron pairs with densities high enough for the plasma to behave collectively,” Chu says. It was known earlier that sufficiently powerful lasers, magnetic or electric fields can trigger the above-mentioned sequences. However, calculations have shown that obtaining such intense beams of lasers and magnetic and electric fields is beyond our capabilities.

It turns out that the combination of modern laser technologies and relativistic electron flow is sufficient to observe such a phenomenonProfessor Nat Fish says: The key here is to use a laser that would slow down the electron-positron pairs so that their mass decreases, thus increasing their effect on the plasma frequency and enhancing the collective behavior of the plasma. It is cheaper to use the technologies that are already available than to try to build a laser of massive intensity.

The study’s authors now want to check their predictions at the SLAC National Accelerator Laboratory. A medium-intensity laser is currently being worked out there, and the electron source is already in place. If we prove our math right, we will save billions of dollarsChu adds.

QED Black Hole Supernova Quantum Plasma Falls Electrodynamics

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