Inhomogeneities and topological defects in cosmology...

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Suekdccia
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Could inhomogeneties and/or topological defects break the fundamental symmetries of the universe?
I have heard that some types of inhomogeneties and topological defects (like cosmic strings) in cosmology have been proposed to be able to break fundamental symmetries of nature such as the Poincaré, Lorentz, diffeomorphism CPT, spatial/time translational...etc symmetries... However, I have not been able to find any references about this. Is this true? Is there anything about this?
 
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Suekdccia said:
I have heard ...
Can you please provide a specific citation? Context would be helpful.
 
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  • #3
Suekdccia said:
I have not been able to find any references about this.
You heard it from somewhere. Where?
 

1. What are inhomogeneities and topological defects in cosmology?

Inhomogeneities and topological defects refer to irregularities or imperfections in the structure of the universe at a large scale. These can include variations in the distribution of matter and energy, as well as defects in the fabric of space-time itself.

2. How do inhomogeneities and topological defects impact our understanding of the universe?

These phenomena play a crucial role in shaping the evolution and structure of the universe. They can affect the formation of galaxies, the distribution of dark matter, and the overall expansion of the universe.

3. What causes inhomogeneities and topological defects in cosmology?

There are several possible causes, including quantum fluctuations during the early universe, phase transitions in the early universe, and cosmic inflation. These processes can lead to the formation of defects such as cosmic strings, domain walls, and monopoles.

4. Can we observe inhomogeneities and topological defects in the universe?

Yes, scientists have observed evidence of inhomogeneities and topological defects through various methods, such as studying the cosmic microwave background radiation and the distribution of galaxies in the universe.

5. How do scientists study inhomogeneities and topological defects in cosmology?

Scientists use a combination of theoretical models and observational data to study these phenomena. They also conduct experiments and simulations to better understand the effects of inhomogeneities and topological defects on the universe.

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