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HomeTechnology peripheralsAIThe existence of the multiverse has been confirmed by scientists. How to explain the nature of the mother universe?

Many people must have heard of the concept of the multiverse, but many people just regard it as a concept in science fiction movies, which is far from our real world. In fact, the multiverse is not just a fantasy, some scientists have even found evidence that our world is a multiverse. Recently, a group of physicists experimentally confirmed the existence of the multiverse, which means our universe is just a bubble within a parent universe. And these bubble universes keep popping up. A study published by Cornell University on May 9, 2023 claimed that in experiments on ferrofluid, they discovered that the multiverse predicted by the eternal inflation theory may be real. Surprisingly, this experiment is not the only evidence supporting the existence of the multiverse, as multiple other studies have also shown this. A 2017 study from Durham University in the UK pointed out that in the cosmic microwave background radiation (CMB) produced by the Big Bang, we have observed some particularly cold areas, especially those huge circular 'cold spots', which may come from Other universes formed near our universe. These universes likely had gravitational interactions with our own during the Big Bang, leaving behind these traces.

The existence of the multiverse has been confirmed by scientists. How to explain the nature of the mother universe?

You may be wondering what exactly is the multiverse? The multiverse comes from the eternal inflation model. It is consistent with the predictions of quantum field theory, is more logically sound, and is directly related to the Big Bang model of the universe. According to the Big Bang theory, our universe was formed 13.8 billion years ago in an extremely dense and extremely small singularity. There are still no obvious questions about why this singularity exploded and how the energy in the universe was generated. Complete answer. So there are some imperfections in the Big Bang model. Therefore, in 1981, the theory of cosmic inflation was proposed to solve the above problems. According to the inflation theory, the universe experienced exponential expansion between 10^-36 seconds and 10^-32 seconds after its birth. In this very short period of time, the volume of the universe rapidly increased almost 10^78 times from the initial zero. That is to say, the volume of the universe expanded from the initial zero to the size of the universe we observe or even larger. Why is the universe Will inflation occur? The reason is that in the initial stage of the universe, there was an inflationary field in the form of a scalar field in space. It can be regarded as dark energy. The vacuum at this time is filled with huge energy, so this vacuum is called a pseudo vacuum. Between 10^-36 seconds and 10^-32 seconds, vacuum energy causes the inflation of space. When inflation stops, vacuum energy decays and produces other matter and fields. This stage is the heating stage of the universe, which is the beginning of what we call the Big Bang.

The existence of the multiverse has been confirmed by scientists. How to explain the nature of the mother universe?

After the vacuum energy is released, the expansion rate of the universe slows down significantly, but the universe still continues to expand. The reason is that part of the energy in the inflation field still remains in the vacuum. This is what we now call dark energy. Dark energy still causes space to expand. With the theory of inflation, we can understand the origin of the thermal state of the Big Bang, which comes from the decay of vacuum energy. Although we currently don’t know what happened between zero and 10-36 seconds, the emergence of the theory of inflation has made the Big Bang model more complete. However, in 1986, Alan Guth's inflation theory was developed into the eternal inflation theory by three physicists. Based on this theory, we have the following prediction: The inflation of the universe has not stopped yet, it is still continuing. The newly created space has the same amount of vacuum energy. When inflation stops somewhere in space, a bubble region will form. This bubble area experienced a big explosion and a bubble universe was born. The universe we live in is one of many bubble universes.

The existence of the multiverse has been confirmed by scientists. How to explain the nature of the mother universe?

To understand the eternal inflation model, imagine a small ball rolling on a gentle hillside. The bottom of the hillside is a valley, and the ball has a certain potential energy on the hillside. This state can be compared to the universe filled with vacuum energy, which is a pseudo vacuum. Obviously, the ball is not in a stable state. As time goes by, it will eventually roll down the valley, release energy, and enter a stable state. This represents the end of inflation. When the vacuum releases energy, it creates other particles and fields, creating a hot big bang. If the inflation field in a vacuum were classical, then the problem would be relatively simple, since we could determine when the ball would roll down the hill. Once it rolls down the entire universe, inflation will end and the universe can only form one universe. However, the inflation field is a quantum field, and the ball is not a macroscopic object. It is controlled by quantum mechanics. So the time when the ball rolls down the hill is uncertain, and it fluctuates back and forth up the hill. It could be less than a second, it could be two seconds, it could be any time. Therefore, in different regions of cosmic inflation, the time when inflation ends is different. In some spaces, a universe may be born quickly, while in other spaces it may take a long time. As time goes by, the universe will produce many such bubble universes, which is the multiverse.

The existence of the multiverse has been confirmed by scientists. How to explain the nature of the mother universe?

So, can we communicate with other universes? Obviously this is impossible. Since space in each universe is expanding far faster than the speed of light, no information is exchanged in any way between the two universes. Therefore, to prove the existence of the multiverse, we can only look for indirect evidence. According to some scientists. When the multiverse was created, the universes were so close to each other that they had no time to move away. This creates gravitational interactions that leave cold spots in the cosmic microwave background radiation. We know that cold spots are the result of strong gravity. So, according to research papers published in Physical Review Letters and Physical Review D, cold spots have been discovered in the cosmic microwave background, possibly caused by other nearby universes. But there is no consensus on this issue. Most scientists believe these cold spots are traces of the gravity of ancient superclusters, rather than evidence of a multiverse. So, how do we prove the possible existence of a multiverse? One way is to create a quantum multiverse on Earth by exploiting quantum phenomena to replicate the inflaton field behavior we described earlier. As long as the quantum phenomena we observe in the laboratory are consistent with our predictions for this quantum ball, it means that the early inflationary field is likely to develop according to our predictions.

The existence of the multiverse has been confirmed by scientists. How to explain the nature of the mother universe?

Cornell University has published a study that is the first experimental result to prove the existence of a multiverse. The experiment was conducted on May 9, 2023, and used ferrofluid as the research object. When these fluids transition from a metastable state to a ground state, similar to the process of a ball rolling down a hill, they behave very similarly to the decay process of the inflaton field. This is generally consistent with the predictions of eternal inflation theory, but the experiment is linear and one-dimensional. If we want to prove the existence of the multiverse, we still need to conduct two- and three-dimensional experiments. So scientists are conducting other experiments. In quantum physics, when atoms reach extremely low pressures and temperatures, the atoms' wave functions develop coherence, and all atoms are in the lowest and same quantum state. This phenomenon is called For Bose-Einstein Condensation. The researchers also observed the formation of tiny vacuum bubbles in these condensed clouds. From the data point of view, these micro-vacuum bubbles are similar to the generation of cosmic bubbles. The scientists are currently conducting similar experiments using potassium atoms and plan to publish the results next year. So the multiverse is very possible because it makes logical sense. If the multiverse really exists, what does our "mother universe" look like?

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