Can Exotic Matter Exist in Solid Form and What Are Its Implications in Physics?

[CJames]

This question really goes from Newtonian mechanics through relativity and quantum mechanics, but this is probably the right place to ask the question. If not I apologize. I have several questions regarding exotic matter, or negative matter. I'll just fire them off in random order.

First off, what form is it most likely to take, if it exists? Is there any possibility it would, or even could, take a solid form?

Is there any relation between negative energy and the dark energy that is accelerating the expansion of the universe?

Is it true that negative matter would be gravitationally repelled by regular matter, and gravitationally attracted to itself? This seems to make sense from a Newtonian standpoint, but I can't reconcile this with the equivalence principle of general relativity. Gravity is, after all, a phantom force. Right?

If I push against an object with negative mass, it won't push back with an equal and opposite force. Instead, it will pull on me with an equal force in the same direction. But wouldn't this create a force feedback loop resulting ultimately in an infinite force?

Is the previous question even relevant, or would the negative mass object simply cancel out the mass of my hands, causing them to simply disappear?

Is there any evidence of negative energy other than the Casimir Effect? How plausible is negative mass? Was it invented mainly as a "sure would be nice" concept to keep wormholes open and Alcubierre drives running? Or are there real reasons to expect it to exist, like supersymmetry maybe?

Well that is a lot of questions. Thanks.

 

[Evalesco]

That is a lot of questions indeed! As far as what form negative matter would take, if it exists, it is most likely to be massless particles with negative energy, similar to the vacuum fluctuations of quantum mechanics. It is possible that negative matter could take a solid form, but this is less likely.

In regards to negative energy and dark energy, there may be some relationship, but it is not yet clear. Negative matter is thought to be gravitationally repelled by regular matter and attracted to itself, but this doesn't seem to fit into the equivalence principle of general relativity. If you were to push against an object with negative mass, it would pull on you in the same direction, but it is not known if this would create an infinite force or simply cancel out the mass of your hands.

Evidence of negative energy other than the Casimir Effect is still being studied. Negative mass is plausible, but its existence is currently theoretical. It was mainly invented as a way to keep wormholes open and Alcubierre drives running, but there are some real reasons to expect it to exist, such as supersymmetry.

 

[sir-pinski]

Properties of exotic matter, also known as negative matter, are still largely theoretical and not well understood. However, there are some possible properties that have been proposed based on theoretical models and experiments.

Firstly, it is important to note that exotic matter is a hypothetical concept and has not been observed or proven to exist. It is often used in science fiction and theoretical physics to explore the possibilities of different types of matter and their potential properties.

One possible form of exotic matter is known as "negative mass." This means that it would have a negative value for its mass, in contrast to the positive mass we are familiar with. It is still unclear what form this negative mass would take, but it is unlikely to exist in a solid form as we know it. This is because solids are made up of particles with positive mass, and it is difficult to imagine how particles with negative mass would interact with them.

There is currently no evidence to suggest a direct relationship between negative energy and dark energy, which is believed to be responsible for the accelerated expansion of the universe. However, some theories suggest that negative energy could be a possible source of dark energy.

According to current theories, negative matter would be gravitationally repelled by regular matter and gravitationally attracted to itself. This is based on Newtonian mechanics and is not fully understood in the context of general relativity. Some theories propose that negative matter would have negative gravitational mass, which would violate the equivalence principle of general relativity. This is still a topic of debate and further research is needed to fully understand the implications of negative matter in the context of relativity.

The idea that pushing against an object with negative mass would result in an infinite force is a common misconception. In reality, the force would be equal and opposite, just as Newton's third law states. The difference is that the direction of the force would be in the same direction as the push, rather than in the opposite direction. This would not result in an infinite force, but it could potentially lead to some strange and unexpected effects.

It is unclear if negative mass would cancel out the mass of objects it interacts with. This is still a topic of speculation and further research is needed to understand the true nature of negative matter.

Currently, the only evidence for negative energy is the Casimir Effect, which is a quantum phenomenon that occurs in very small scales. Negative mass is a purely theoretical concept at this point, and it is not known if it exists or not. It is often