Astrophysicists chronicle the history of mathematical cosmology


Universe

Credit: Unsplash / CC0 Public Domain

RUDN University astrophysicists have collected the most important discoveries of modern cosmology from 1917 to our time. The data collected has become an introduction to Philosophical Transactions of the Royal Society a In two parts: from 1917 to 1980 and from 1980 to our time.


Cosmology and Properties The evolution of the universeI grew up in Antiquity As religious myths about the creation of the world. Over the past 100 years, cosmology has become one of the most dynamically developing areas of science, despite being one of the most complex. One of the latest versions Philosophical Transactions of the Royal Society a Dedicated to the present and future of mathematical cosmology.

RUDN professors Spyros Kotsakis and Alexander Yefremov are the issue editors. In the introduction, astrophysicists analyze the entire history of the development of modern theoretical cosmology. the magazine Philosophical Transactions It is one of the oldest journals in the world, and has been published continuously since 1665, including articles by Newton, Leibniz, Huygens, and Boyle.

“The beauty and great diversity of ideas of modern mathematical cosmology is rooted in different types of geometry that need to be developed and studied in parallel with and in conjunction with these ideas of cosmology. This is necessary in order to better understand the various aspects of this matter,” said Alexander Yefremov, Doctor of Science in Physics and Mathematics, Professor at the Educational and Scientific Institute of Gravity and Cosmology at RUDN University: “Majestic in the fields of theoretical physics.”

The authors divide the history of the development of cosmology into four stages. The first and longest period covers the period from 1917 to 1960. The next three periods last for 20 years. The year 1917, and especially the date February 8, 1917, is famously known as the birth of modern cosmology in RUDN astrophysics, when Einstein demonstrated the first application of general relativity to the universe. He created the first modern cosmological model in which matter is static and has finite volume, but no bounds. The static nature of the universe according to Einstein is achieved due to the cosmological constant. Other cosmic models soon emerged.

Russian mathematician Alexander Friedman made a real breakthrough in modern cosmology. In 1922 he found a solution to Einstein’s equations describing a dynamically expanding universe. This theory was experimentally (and etherologically) confirmed by the British astronomer Edwin Hubble, who in 1929 discovered the so-called redshift of galaxies, which means that they are running away from each other.

Later, on the basis of this information, Georgy Gamov (USA) formulated the theory of a hot universe (at an early stage of its existence), and a little later (1949) the process of the birth of such a model of the universe. It became known as the Big Bang. The term is believed to have been coined by British astronomer Fred Hoyle.

In the late 1970s, discoveries were made in Particle physics It led to great unifying paradigms that had an immediate impact on cosmology. Later, the inflationary model of the universe, the multiverse theory and other important theoretical discoveries arose. Since 1998, it has been a major focus of cosmologists dark energythe main component of the program Universe.

“Theoretical mathematical cosmology is not a subject that can be easily understood. To overcome the difficulty of acquiring the necessary knowledge, you need a clear compass that shows the available, important or possible research problems and directions. We have described some of the important key developments in the field of recent theories Cosmology said Spyros Kotsakis, professor at the Educational and Scientific Institute for Gravity and Cosmology at RUDN University

more information:
Spyros Kotsakis et al., 100 years of mathematical cosmology: models, theories, and problems, Part A, Philosophical Transactions of the Royal Society A: The Mathematical, Physical, and Engineering Sciences (2022). DOI: 10.1098/rsta.2021.0191

Spyros Kotsakis et al., 100 years of mathematical cosmology: models, theories, and problems, Part B, Philosophical Transactions of the Royal Society A: The Mathematical, Physical, and Engineering Sciences (2022). DOI: 10.1098/rsta.2021.0171

Provided by the Russian Foundation for Fundamental Research

the quote: Astrophysicists chronicle the history of mathematical cosmology (2022, November 21) Retrieved November 21, 2022 from https://phys.org/news/2022-11-astrophysicists-chronicle-history-mathematical-cosmology.html

This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without written permission. The content is provided for informational purposes only.





Source link

Related Posts

Precaliga