Russian scientists have developed a new mathematical approach based on one of the subtypes of harmonic superspaces. It may bring humanity closer to formulating a universal and consistent theory of quantum gravity.
The MIPT Center for Scientific Communication noted that one of the biggest gaps in understanding the nature of the early stages of the Universe's evolution and the final stages of black hole evolution lies in the lack of understanding of how gravity behaves at extremely high energies.
A group of theoretical physicists from MIPT, the Joint Institute for Nuclear Research, and Tomsk State University, consisting of Evgeny Ivanov, Iosif Buchbinder, and Nikita Zaigraev, has laid the foundation for a new approach to studying gravity at the quantum level. The scientists applied a mathematical approach called N=2 harmonic superspace.
The existence of not four, but ten or even more dimensions of space is allowed. It is likely that particles are not point objects, but one-dimensional extended structures — strings. Thanks to observations of black holes and experiments at colliders, the number of subtypes of string theory and the related theory of supersymmetry compatible with observations has recently decreased significantly.
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