Study Suggests Our Universe Could Be an Expanding Bubble in Another Dimension

Physicists have proposed a startling new theory to explain the continuing enigma of our expanding Universe: It may be postulated that this world and other five-dimensional worlds are located in between some ‘bubble’.

Do not worry, if this is creating a pain in the head, this is how it is intended to be. But it could be resolvable We can divide it.

Our Universe, as we know it, has four dimensions: Three of the dimensions are up and down, left and right, and back and forth, while the remaining one put everyone in motion: time.

But this brand new strategy that researchers from Uppsala University in Sweden propose just shows that there are other types of 5D space, and when two of these spaces meet, the point of their contact becomes a growing bubble.

An Uppsala press release means the following when speaking of the concept of this work; ‘The whole Universe is accommodated on the edge of this expanding bubble’.

“It is possible that there are other bubbles, as many as ours and belonging to other universes. ”

It’s fairly wild stuff, but there’s an enormously important purpose here: to completely understand what is happening with the ‘dark energy’, the assumed substance that has been driving galaxies apart in the current Universe.

Physicists have been trying for decades to address the issue of dark energy using string theory and rarely with a good result.

Happiness is one of the science’s “great idea, but shame about the facts” ideas, and string theory is the same idea as well. It is elegant and promises the notion of reconciling what might appear to be opposite principles of physics.

It emerged from efforts to expand the dimensionality of general relativity which presupposes that the characteristics of matter such as charge and spin, are the by-product of one-dimensional’strings’ passing through several dimensions.

Strings can perform in a variety of ways/options, proportional to the number of dimensions that is added or how many restricting/ limiting properties are given; the number of alternatives obtainable are approximately 10 to the power of 500; our world is just one combination of those features/ options.

The problem is that it is rather appearing that string theory is actually wrong and does not correspond to what we observe in the Universe.

And when it is not so, then it is unrealistic at best and at worst impossible to be tested by practical utility. So, why bother?

As is known, it is possible to be mistaken in science in several ways. Every mistake can be discussed and some of them are more critical than others: still, entering string theory, one will notice that it has profound flaws, but it is likely to an old car which does not move anymore, but it is full of garbage.

Accept the whole growing space item.

We have attributed this to something called dark energy that makes additional space to be formed without destroying the bodies within it.

This we have called the de Sitter Universe solution after the Dutch astrophysicist Willem de Sitter and this is accepted largely as providing a fairly good overall fit.

An unfortunate fact is that none of the previous versions of string theory are capable of explaining what is happening. They only work if the vacuum energy is low, or as it says, at places where the vacuum energy is decreasing or at best is negative.

Thus, we can renounce the whole string concept or the de Sitter model that each of us likes so much.

But at the moment something has been invented in Sweden by Swedes that keep both string theory and the de Sitter Universe solution intact.

Of course, it is based on the other idea that appeared approximately twenty years ago. At that time, American theoretical physicists Lisa Randall and Raman Sundrum gave other models of the Universe with orientations of 5D spaces that intersect at a point known as branes intending to solve one of the biggest mysteries of why gravity is comparatively weaker than the other forces.

Suppose there is a space which ascends and descends, moves side ways and forward and backward. And something else. Indeed, I think the same, I do not even know what it looks like.

It is also called an anti-de Sitter space. Unlike our universe, this one does not have dark energy dominating it, and the amount of negative energy it has is adequate.

Join two 5D anti-de Sitter spaces end-to-end. According to the commentators Randall and Sundrum, different branes were postulated to help explain certain forces.

In this case, the types of space which were sued by the researchers also helped to expound on our increasing 4D Universe with particles that pass the right amount of gravitation.

I now wish to bring string theory into the picture and see how it fits into this whole picture. The’strings’ (the light beams in the illustration at the top of this page) are coming into this universe from the additional dimension that is infusing our universe with the flavor that it possesses.

For explanation, “All existing matter in the Universe corresponds to the ends of strings that extend out into the extra dimension,” the press release says.

More importantly, unlike the other models of string theory, it goes on working due to the anti-de Sitter spaces. In actuality, it shows a rising bubble as well as the 5D space outside and inside the bubble.

Like all other previous string models, they are surely not likely to have arrived at the solution on the first try. This concept of living on the outside of an interdimensional bubble seems quite romantic to me, but again you’re entering definitely territory that at the very least falls into the realm of speculation.

Physics is getting to the point where we can sort of throw down cool ideas that work on paper and then find out what works in practice.

Amidst those bizarre notions of oscillating strings and foamy Universa, there would be observations that a resemblance to some existing statistics observed in hadron colliders or some value that just does not fit in some cosmic data set.

And maybe, may be, the small ideas of string theory will be incorporated in the next set of great ideas in physics.

This research was published in Physical Review Letters.

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