Unraveling of the extra dimensions?

Click For Summary

Discussion Overview

The discussion centers on the implications of string theory in relation to the expansion of the universe and the concept of extra dimensions. Participants explore whether certain conditions of cosmic expansion could invalidate string theory's applicability to our universe.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant, Jamie, questions why the extra dimensions in string theory would unravel if the universe expanded at a specific speed.
  • Another participant requests a reference to better understand the model being discussed.
  • A third participant provides a link to a paper that may contain relevant information regarding the claims made about string theory and cosmic expansion.

Areas of Agreement / Disagreement

The discussion does not appear to have reached a consensus, as participants are seeking clarification and additional information rather than agreeing on a specific viewpoint.

Contextual Notes

There are limitations in understanding the specific conditions under which the extra dimensions might unravel, as well as the assumptions underlying the referenced paper.

Unredeemed
Messages
120
Reaction score
0
I read somewhere that string theory could be disproved if it is found out that the universe expanded at a certain speed as this would cause the extra dimensions to unravel and therefore mean that string theory could not describe our universe. I do not understand why the extra dimensions would unravel? Can anyone help?

Many Thanks,
Jamie
 
Physics news on Phys.org
Anyone at all?
 
Hi,

do you have a reference so we can know better which model you are referring to ?
 

Similar threads

  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 2 ·
Replies
2
Views
5K
  • · Replies 17 ·
Replies
17
Views
4K
Replies
1
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 10 ·
Replies
10
Views
4K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 46 ·
2
Replies
46
Views
7K
  • · Replies 6 ·
Replies
6
Views
4K