Stability of 4D Gravity Model: Examining Possibilities

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    4d Gravity Physics
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SUMMARY

The discussion centers on the stability of 4D gravity models, highlighting the challenges of applying 3D gravitational principles to 4D physics. Participants express skepticism about the feasibility of stable isotropic 4D gravity models, questioning whether modifications to existing models could yield stability. The conversation also touches on the potential existence of new forms of matter in 4D physics and the necessity of extra dimensions in frameworks like String Theory. Overall, the consensus suggests that simply extending 3D equations to 4D may not be sufficient for accurate modeling.

PREREQUISITES
  • Understanding of 3D gravity principles
  • Familiarity with 4D physics concepts
  • Knowledge of String Theory and its requirements for extra dimensions
  • Basic grasp of isotropic models in theoretical physics
NEXT STEPS
  • Research modifications to existing 4D gravity models
  • Explore the implications of new forms of matter in 4D physics
  • Study the mathematical foundations of isotropic models
  • Investigate the role of extra dimensions in String Theory
USEFUL FOR

The discussion is beneficial for theoretical physicists, cosmologists, and researchers interested in advanced gravitational theories and the implications of higher-dimensional physics.

Gold Barz
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I know that gravity can be extended to 4D but the conclusion always seem to be unstable, is the reason why they come up with unstable orbits and atoms is because they take how gravity acts here in 3D physics and apply it the same way to 4D physics? How about modificating the model? but we just don't know what kind of modifications can be made so we don't make any modifications...is this even remotely correct?

Is there no way that a isotropic 4D gravity model can become stable?

I might even suggest something even more wackier, like might there be new forms of matter in 4D physics, I would think that there would be a significant effect to elementary particles.
 
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Who else feels that we can't just extend basic mathematical equations to 4D models?...
 
Why are you so much interested in 4D models? They are not physical, unless you assume (a-la strings) that one of them is small or unobservable.

What need is there for that? In String Theory, the formalism requires the extra dimensions to work properly. In your case, why would you prefer to work with one extra dimension?
 

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