Physicists recreate black hole plasma conditions with ultra-powerful laser
Scientists have used extremely intense laser pulses to recreate the conditions of magnetized plasma around the black hole in order to better understand the nature of the mysterious X-rays from certain cosmic objects.
Plasma is a hotter state of matter than solids, liquids, or gases, composed of charged protons and electrons, which have too much energy to form neutral atoms. The magnetic field in it has twisted lines of force that suddenly “break” and neutralize each other, which leads to a rapid transformation of magnetic energy into kinetic energy, which accelerates the particles. That is why plasma in the accretion disk of a black hole glows.
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To better understand the formation of X-rays near black holes, researchers at Osaka University decided to use extremely strong laser pulses to create such extreme conditions on Earth.
To obtain the required light intensity, the team required a 2 PW laser, which is a thousand times more power consumption on the entire planet. The scientists were able to achieve a peak magnetic field of 2,000 Tesla using intense but extremely short pulses that accelerate plasma particles to the point where relativistic effects began to appear.
Earlier we also reported on the creation of a laser that violates the laws of light propagation.
, Osaka University, Shutterstock