The existence of the black is one of the greatest mysteries of the universe. Although the lessons of his life are presented accurately, his unseen nature makes it very difficult to understand this complex, so his nature is not known.
The black material can be applied to hard and invisible areas. On the other hand, it can penetrate large and complex objects, such as the first black holes (i.e., black holes created in the first earth).
In recent years, many scientific organizations around the world have been searching for black objects, using technology, telescopes, sensors and optical data. While most of these searches were unsuccessful, they did help guide and reduce subsequent searches.
Researchers at the Tata Institute of Fundamental Research’s International Center for Theoretical Studies in Bangalore, India, have redefined new restrictions on the fraction of solid black materials from gravity wave microlensing. Their paper, printed on The Astrophysical Journal Lettersintroduces a new method for determining the nature of black matter by investigating the effects of microlensing on gravitational waves.
“According to Einstein’s concept of ordinary relativity, objects bow to light like conventional optical lenses,” Parameswaran Ajith, one of the researchers who conducted the study, said. at Phys.org. “Significant objects, such as the dark holes that lie between the star base and the observer, can enlarge the base.
Despite a lot of research in the field, astronomers are unable to observe the microlensing effects produced by black holes. This shows black holes that are brighter than the sun, which results in microlensing of light, which is rare.
“If there are these black holes, it’s only a small fraction of what is black,” Ajith said. “It was originally thought that the gravitational waves would be viewed in the same way. If the first black holes were larger than the sun in the entire universe, they would convert into gravity waves.”
In 2003, some theoretical physicists correctly calculated the nature of a gravitational wave. Nearly two years later, Sunghoon Jung and Chang Sub Shin, two scientists at Seoul National University and the IBS Center for Theoretical Physics of the Universe, said ignoring these distortions would the LIGO and Virgo collaborations can prevent much of the blackout. doors larger than the sun.
The recent paper by Ajith and his colleagues reinforced these earlier efforts. The team’s work is based on the assumption that if a large amount of dark matter is present in the solids, these materials will produce microlensing effects on the gravitational wave signals observed by LIGO sensors and me Virgo.
“Later in 2018, in collaboration with colleagues on the LIGO-Virgo Collaboration, we investigated the signatures of such distortions in the gravitational wave signals seen by LIGO and Virgo and not by get it, ”Ajith said. “However, even though LIGO and Virgo detected 10 gravitational-wave signals at the time, our initial suspicion of having such distortions was low.”
The LIGO-Virgo Collaboration has just announced the results of its third review. “Furthermore, Ajith and his colleagues independently analyzed the gravitational waves observed by a team at the Institute for Advanced Studies (IAS) in Princeton in the LIGO-Virgo data. Overall, they evaluated more than 50 gravitational wave events.
Although the researchers were unable to detect microlensing distortions in any of the samples they analyzed, their recording allowed them to rearrange the solids into solid dark matter. In other words, they prevented most of the black matter found in large black holes.
“The holdings we have so far are very low,” Ajith said. “All we can say is that no more than 50% of black matter is in the form of large black windows, which is not a new phenomenon. However, in the years to come, it is believed LIGO and Virgo look in the hundreds to the thousands. The wave-weight signals. These observations allow us to greatly improve these controls. “
In the future, Ajith and his colleagues plan to analyze new gravity wave events recorded by LIGO-Virgo experts. In addition, they hope that their innovation will encourage other companies to use the microlensing of gravitational waves to investigate the nature of black matter.
“As part of the LIGO-Virgo Collaboration, we are looking for all the gravitational wave signals that LIGO and Virgo have seen during their last three voyages (approximately 100 events),” he said. and Ajith. “This will slightly improve the control. However, we look forward to looking at the data from the next run, where LIGO and Virgo are expected to look at hundreds of signals. gravitational waves! ”
Mysterious clouds can provide new clues for the black
S. Basak et al, Preventing Compact Dark Matter from Gravitational Wave Microlensing, The Astrophysical Journal Letters (2022). DOI: 10.3847 / 2041-8213 / ac4dfa
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