Fractal dimension of CMBR? Cluster distribution?

In summary, there have been speculations about the cosmic microwave background radiation and galaxy cluster distribution having fractal distributions with non-integral Hausdorff dimensions. However, these speculations fall under the overly-speculative policy and require valid references to be considered.
  • #1
nomadreid
Gold Member
1,668
203
I have read speculations that
(1) the cosmic microwave background radiation has a fractal distribution (non-integral Hausdorff dimension), and
(2) the same might be true of galaxy cluster distribution (although different dimensionality to (1))
Whether or not one or both analyses are correct: even so, what difference would it make to the established laws of physics?
 
Physics news on Phys.org
  • #2
nomadreid said:
I have read speculations that
(1) the cosmic microwave background radiation has a fractal distribution (non-integral Hausdorff dimension), and
(2) the same might be true of galaxy cluster distribution (although different dimensionality to (1))
Whether or not one or both analyses are correct: even so, what difference would it make to the established laws of physics?

You need to provide exact and valid references to each one of these. If they don't fall into the accepted https://www.physicsforums.com/showthread.php?t=5374", then this discussion falls under our overly-speculative policy.

Zz.
 
Last edited by a moderator:
  • #3
Right. Examples of the following are:
For the radiation:
http://www.iop.org/EJ/abstract/0004-637X/694/1/151
http://www.springerlink.com/content/r0104491505j2015/
for the galaxy clusters:
http://www.iop.org/EJ/abstract/0004-637X/694/1/151
 

1. What is the fractal dimension of CMBR?

The fractal dimension of CMBR (Cosmic Microwave Background Radiation) is approximately 2.3. This means that the CMBR has a self-similar structure on various scales, with slight variations in density and temperature.

2. What does the fractal dimension of CMBR tell us about the universe?

The fractal dimension of CMBR provides insight into the large-scale structure of the universe. It suggests that the universe is homogeneous and isotropic, meaning that it looks the same on all scales and in all directions.

3. How is the fractal dimension of CMBR measured?

The fractal dimension of CMBR is typically measured through statistical analysis of the temperature fluctuations in the radiation. This is done by looking at the power spectrum of the CMBR, which shows the distribution of fluctuations at different scales.

4. What is the significance of the cluster distribution in the CMBR?

The cluster distribution in the CMBR refers to the pattern of clusters or groupings of galaxies in the universe. This distribution can provide information about the formation and evolution of structures in the universe, as well as the overall distribution of matter and energy.

5. How does the fractal dimension of CMBR relate to the cluster distribution?

The fractal dimension of CMBR and the cluster distribution are both connected to the overall large-scale structure of the universe. The fractal dimension reflects the self-similar nature of the CMBR, while the cluster distribution shows the clustering of matter and energy in the universe. Together, they provide a more complete understanding of the universe's structure and evolution.

Similar threads

Replies
57
Views
3K
Replies
1
Views
837
Replies
2
Views
1K
Replies
13
Views
2K
Replies
7
Views
2K
Replies
13
Views
2K
  • Advanced Physics Homework Help
Replies
8
Views
2K
Replies
1
Views
4K
Replies
3
Views
1K
Back
Top