Dust filled universe, is there a type of tension defined?

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SUMMARY

The discussion centers on the concept of tension in a dust-filled universe as described by General Relativity. It explores whether a quantity analogous to tension exists and if its strength correlates with mass density (rho). The conversation references the cosmological constant and dark energy, noting that their strength is considered independent of matter density. Key resources include the book "Many Worlds in One: The Search for Other Universes" by Alex Vilenkin, which provides insights into pressure and tension in the context of General Relativity.

PREREQUISITES
  • Understanding of General Relativity principles
  • Familiarity with cosmological concepts such as dark energy
  • Knowledge of mass density (rho) in cosmological models
  • Basic grasp of tension and pressure in physics
NEXT STEPS
  • Research the implications of the cosmological constant in modern cosmology
  • Study the relationship between mass density and cosmic expansion
  • Explore the role of dark energy in the evolution of the universe
  • Investigate the mathematical formulations of tension in General Relativity
USEFUL FOR

Astronomers, physicists, and cosmologists interested in the dynamics of the universe, particularly those studying the effects of mass density and dark energy on cosmic structures.

Spinnor
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Say we have dust filled universe. At some instant of time this universe has a mass density rho, and it evolves with time according to General Relativity. Is there a quantity in that universe that acts like tension? Can we associate something like tension in such a universe. Would its strength be related to rho?


Thanks for any help!
 
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Spinnor said:
Say we have dust filled universe. At some instant of time this universe has a mass density rho, and it evolves with time according to General Relativity. Is there a quantity in that universe that acts like tension? Can we associate something like tension in such a universe. Would its strength be related to rho?


Thanks for any help!


See for starters:

http://books.google.com/books?id=LA...sure and tension in general relativity&f=true

Free Amazon pages 19,20 of:

Many Worlds in One: The Search for Other Universes by Alex Vilenkin (Hardcover - Jun 27, 2006)
10 new from $6.02
52 used from $1.67
 

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