Dark Matter as a Yukawa Like 5th force?

In summary, the conversation discusses the idea of dark matter having a repulsive force towards matter and following a yukawa potential. The lack of dark matter in certain areas and its potential clustering in galaxies is also mentioned. The speaker suggests looking into early papers on CDM cosmology and mentions the concept of a self-interacting dark matter. However, the conversation is eventually locked due to it being a speculative topic.
  • #1
MTd2
Gold Member
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Just an idea:

Suppose dark matter has a repulsive force towards matter and dark matter which follows a yukawa potential. It would be consistent with the lack of it in globular clusters, galactic center besides its clustering in galaxies. In case it touches matter, it would just cause an elastic recoil.

What do you think?
 
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  • #2
Read the early papers on CDM cosmology in the 80's. Especially Blumenthal, faber, primack etc 84. And the other Primack papers.

Your idea, while creative, would break the C (cold) part.
 
  • #3
Why breaking the cold part? :confused: It would be just WIMP cloud, orbiting the galaxy. Except that it would mostly avoid clusters of matter, like star systems, globular clusters but be located within the galaxy.
 
  • #5
Thread locked pending moderation.

UPDATE/EDIT:
This thread will remain locked, as it runs against our policy on speculative posts.
 
Last edited:

1. What is dark matter and why is it important to study?

Dark matter is a type of matter that cannot be directly observed, but its presence can be inferred from its gravitational effects on visible matter. It is important to study because it makes up about 85% of the total matter in the universe and its properties can help us better understand the structure and evolution of the universe.

2. What is a Yukawa-like 5th force and how does it relate to dark matter?

A Yukawa-like 5th force is a hypothetical force that is predicted by some theories of dark matter. It is a type of force that is similar to the strong and weak nuclear forces, but acts on a larger scale. It is postulated to be the mechanism through which dark matter interacts with visible matter.

3. How does the concept of a Yukawa-like 5th force challenge our current understanding of physics?

If a Yukawa-like 5th force is proven to exist, it would challenge our current understanding of the fundamental forces of nature. It would also require a modification of the Standard Model of particle physics, which currently only includes four fundamental forces.

4. What evidence do we have for the existence of a Yukawa-like 5th force?

Currently, there is no concrete evidence for the existence of a Yukawa-like 5th force. Some studies have suggested that certain observations, such as the rotation of galaxies, can be explained by the presence of a Yukawa-like force, but these results are still inconclusive.

5. How are scientists trying to detect or confirm the existence of a Yukawa-like 5th force?

Scientists are using a variety of methods to detect or confirm the existence of a Yukawa-like 5th force. These include analyzing data from particle accelerator experiments, studying the rotation of galaxies, and searching for new particles that could be associated with the force. Further research and experiments are needed to provide more evidence for its existence.

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