Gravitons moving out of our dimension

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Discussion Overview

The discussion revolves around the nature of gravitons and their interaction with dimensions, specifically whether gravitons escape into other dimensions and how this relates to the strength of gravity compared to other fundamental forces. Participants explore theoretical implications and conceptual understandings of gravity in higher-dimensional frameworks.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification
  • Technical explanation

Main Points Raised

  • Some participants propose that gravity is a weak force because gravitons escape into other dimensions, raising the question of whether they can also re-enter our dimension.
  • Others suggest that if gravitons are analogous to virtual photons, the behavior of light in different dimensions could affect the need for technologies like lasers.
  • A participant argues that gravity's perceived weakness may be due to it having to operate across more dimensions compared to other forces, which are confined to three spatial dimensions.
  • There is a clarification question regarding whether the dilution of gravity only applies in theories where our universe is a 3-dimensional brane in a higher-dimensional space, and how this relates to the behavior of light and other interactions in curled dimensions.
  • A later reply questions the mechanics of gravitons leaking out versus leaking in, pondering if there are restrictions preventing gravitons from re-entering the brane.

Areas of Agreement / Disagreement

Participants express differing views on the nature of gravitons and their dimensional interactions, with no consensus reached on the implications of these ideas for the strength of gravity or the behavior of light.

Contextual Notes

The discussion includes assumptions about higher-dimensional theories and the nature of forces, which may not be universally accepted or fully resolved among participants.

mim
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Is my understanding correct. Gravity is a week force because gravitons escape out of our dimension into other dimensions. If so would gravitons not also be able to re-enter our dimesion. Therefore cancelling out this theory
 
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Smart.If gravitons are virtual photons, you can think of switching on a bulb.If light traveled in only one selective dimension after re-entering from everywhere else, then we wouldn't need to create lasers
 
mim said:
Is my understanding correct. Gravity is a week force because gravitons escape out of our dimension into other dimensions. If so would gravitons not also be able to re-enter our dimesion. Therefore cancelling out this theory
No, it's just that gravity has more ground to cover. If you imagine that all the forces should be of roughly equal strength, but that electromagnetism and the nuclear forces only operate in our 3 spatial dimensions while gravity must contend with 9 dimensions, you can easily see how it gets "spread out" and diluted.
 
bapowell said:
No, it's just that gravity has more ground to cover. If you imagine that all the forces should be of roughly equal strength, but that electromagnetism and the nuclear forces only operate in our 3 spatial dimensions while gravity must contend with 9 dimensions, you can easily see how it gets "spread out" and diluted.
Many thanks bapowell I get it.
 
vin300 said:
Smart.If gravitons are virtual photons, you can think of switching on a bulb.If light traveled in only one selective dimension after re-entering from everywhere else, then we wouldn't need to create lasers
I don't understand your answer vin300. I thought a graviton was a closed string that was shaped or vibrated in a particular way that made it unique ie a graviton also my understanding of the theory was that only gravitons could pass through a brane. We could therefore still do with lasers
 
bapowell said:
No, it's just that gravity has more ground to cover. If you imagine that all the forces should be of roughly equal strength, but that electromagnetism and the nuclear forces only operate in our 3 spatial dimensions while gravity must contend with 9 dimensions, you can easily see how it gets "spread out" and diluted.

A clarification question: This "diluting" only happens in theories where our universe is actually just a 3 spatial brane in a higher dimensional world, as opposed to a 9 spatial dimension universe with 6 curled up, Correct?

If not, I'm having trouble seeing how light and other interactions can avoid the curled dimensions.
If yes, then it seems like if our 3 spatial brane is curved in the higher dimensions, that the gravitons leaking out could hit back on the brane elsewhere ... therefore causing what appears to be "more gravity from nothing". Or is there something which prevents gravitons from "leaking in", and they can only "leak out"?
 

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