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Is the universe expansion just a myth? A new study has turned upside down the model of the structure of our world

Is the universe expansion just a myth? A new study has turned upside down the model of the structure of our world 1
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The authors of a new, potentially controversial study suggest that the expansion of the universe may be an illusion. This reimagining of the cosmos solves the mystery of dark energy and dark matter, which scientists believe make up about 95% of all energy and matter in the universe, but remain shrouded in mystery.

The novel new approach is detailed in an article published in the journal Classical and Quantum Gravity by University of Geneva professor of theoretical physics Lucas Lombreiser.

What is the expansion of the universe?

According to the generally accepted theory, the Universe was born with the Big Bang and looked like a very hot and dense point. After unimaginably small fractions of a fraction of a second, the expansion (or inflation) of the Universe began. Space itself expanded faster than the speed of light. During this period, the universe has grown in size at least 90 times.

After inflation, the growth of the universe continued, but at a slower pace, according to NASA. As space expanded, it cooled and matter formed. A second after the Big Bang, it was filled with neutrons, protons, electrons, antielectrons, photons, and neutrinos.

A new study on the cosmological constant suggests that the expansion of the universe may be an illusion.  "Hi-tech" tells the main thing.-2
This all-sky image shows the nascent universe. It shows temperature fluctuations with an age of 13.7 billion years. Image courtesy of NASA

About 380,000 years after the Big Bang, matter cooled enough to form atoms in an era of recombination, resulting in a transparent, electrically neutral gas. However, after that moment, the universe plunged into darkness, since neither stars nor any other bright objects had yet formed.

About 400 million years later, the universe began to emerge from the cosmic dark ages into the era of reionization. During this time of more than half a billion years, enough clumps of gas collapsed to form the first stars and galaxies, whose energetic ultraviolet light ionized and destroyed most of the neutral hydrogen.

Although the expansion of the universe gradually slowed down as matter was attracted to each other under the influence of gravity, about 5 or 6 billion years after the Big Bang, according to NASA, a mysterious force (dark energy) began to accelerate the expansion of the universe. It is believed that this process continues today.

Evidence for expansion and the cosmological constant

Scientists know that the universe is expanding due to redshift, the stretching of the wavelength of light towards the redder end of the spectrum as the object emitting it moves away from us. Distant galaxies have a greater redshift than those closest to Earth. This suggests that these galaxies are moving further and further away from us.

More recently, scientists have found evidence that the expansion of the universe is not fixed, but is actually accelerating. There is a term for this phenomenon known as the cosmological constant or lambda.

What is the problem?

The cosmological constant has been a headache for cosmologists because the particle physics predictions for its value differ from actual observations by 120 orders of magnitude. Therefore, the cosmological constant is called “the worst prediction in the history of physics.”

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A new study on the cosmological constant suggests that the expansion of the universe may be an illusion.  "Hi-tech" tells the main thing.-3
Globular cluster NGC 6397. Image courtesy of NASA/Francesco Ferraro/Bologna Observatory.

Cosmologists often try to resolve the discrepancy between different lambda values ​​by proposing new particles or physical forces. But the authors of the new study solved this problem by rethinking the existing versions.

What does the new study suggest?

In the mathematical interpretation of Lombriser the Universe is not expanding, but is flat and static, as Einstein once believed. The observed effects that indicate expansion can be explained by the evolution of the masses of particles such as protons and electrons over time.

In this interpretation, particles arise from a field that permeates space-time. The cosmological constant is determined by the mass of the field. Since this field fluctuates, the masses of the particles generated by it behave in the same way. The cosmological constant still changes with time, but in this model, this process is due to the change in the mass of particles over time, and not to the expansion of the universe.

Field fluctuations lead to larger redshifts in distant clusters of galaxies than traditional cosmological models predict. Thus, the cosmological constant remains true to the model’s predictions.

Dark Universe Recipe

The new Lombriser structure also solves some other pressing problems in cosmology, including the nature of dark matter. This invisible material outnumbers ordinary particles of matter by a ratio of 5 to 1, but remains incomprehensible because it does not interact with light.

The physicist suggested that field fluctuations could also behave like an axion field. At the same time, axions are hypothetical particles that are considered one of the proposed candidates for the role of dark matter.

These fluctuations could also “do away” with dark energy, a hypothetical force that is stretching the fabric of space and thus pulling galaxies apart faster and faster. In the new model, the effect of dark energy will be explained by the masses of particles, which at later times in the Universe chose a different evolutionary path.

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