16 September 2021 01:09 GMT
It turns out that they are more complex thermodynamic systems than previously thought.
Physicists at the University of Sussex (UK) have shown that black holes exert pressure on their environment. The findings were published in the journal Physical Review d In the last week.
According to Karl Schwarzschild’s theory, the authors of the study made this discovery when they examined an additional figure that arose in their equations for quantum gravitational corrections of a black hole without electric charge and angular momentum.
When the particular effect of the equations became a topic in the middle of a Christmas talk last year, scientists realized that it really reflected the nature of the compressive force, which was later confirmed by additional calculations that quantum gravity could put pressure on black holes.
This finding is another milestone in the study of black holes, as suggested by Stephen Hawking in 1974. Emit thermal radiation. Prior to Hawking’s theory, these holes were believed to be inanimate, representing the final stage of a dying heavy star. Now physicists at the University of Sussex have shown that in addition to having characteristics such as temperature, they also exert pressure.
“Hawking’s historical understanding is that black holes are not black, but have a radiation spectrum similar to that of a black body, making them an excellent laboratory for the study of interactions between quantum mechanics, gravity, and thermodynamics.” He pointed out Xavier Calmet, a physicist, is one of the authors of the study.
“If we consider black holes only within general relativity, we can show that they have a unity at their centers, where the laws of physics, as we know them, Must be broken“Continuous Calmette, predicts one day -” when quantum field theory is included in general relativity – – we will get a new description of these unique cosmic objects.
The scientist added that “it is a step in that direction,” which “opens up many new possibilities, including the study of astronomy, particle physics, and quantum physics.”
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