Could the universe's Big Bang be 1D?

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    1d Big bang
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Discussion Overview

The discussion revolves around the concept of the universe's Big Bang potentially being a one-dimensional construct that evolved into higher dimensions. Participants explore various theories and references related to the early universe and its dimensionality, emphasizing the speculative nature of these ideas.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • Some participants propose that the Big Bang may have originated as a one-dimensional construct, evolving into two dimensions and eventually into three dimensions over time.
  • One participant questions the validity of personal speculation and requests sources for the idea of a one-dimensional universe.
  • A participant shares an article discussing the concept of a one-dimensional universe at the Big Bang.
  • Another participant suggests a better reference for the topic, indicating a lack of awareness of the initial claim.
  • Some participants acknowledge that all theories regarding the early universe are speculative, reiterating the uncertainty surrounding the topic.
  • One participant mentions the LHC experiments and their implications regarding high-energetic events, suggesting that they would have detected planar events if the one-dimensional hypothesis were accurate.
  • A participant introduces the hypothesis of causal dynamical triangulation (CDT) as a background-independent geometric unfolding compatible with general relativity and quantum mechanics.
  • Another participant argues that the current understanding of the universe's properties resembles a condensed matter system, suggesting a shift from purely speculative to more grounded theories.

Areas of Agreement / Disagreement

Participants express a range of views, with some agreeing on the speculative nature of early universe theories while others present competing hypotheses and references. The discussion remains unresolved with multiple competing perspectives on the dimensionality of the universe's origin.

Contextual Notes

Participants highlight the speculative nature of theories regarding the early universe, indicating that many ideas depend on interpretations of complex physics and may not have definitive experimental support.

scimeister
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Was the beginning of the univeres's Big Bang, a one dimensional construct which then formed into a two dimensional form and later, our three dimensions with time?
 
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We don't discuss personal speculation here. Do you have a source for this idea?
 
scimeister said:
Was the beginning of the univeres's Big Bang, a one dimensional construct which then formed into a two dimensional form and later, our three dimensions with time?

No one knows. All theories regarding the very early universe are very speculative.
 
Dale said:
Interesting. I was not aware of this. A better reference is probably here:
https://arxiv.org/abs/1304.6444
While I'm not aware of dedicated studies, I think the LHC experiments would have noted if high-energetic (~1 TeV) 4-jet events would be very planar, as predicted there. And the cross section is not falling with energy, it is rising.
 
Drakkith said:
No one knows. All theories regarding the very early universe are very speculative.

I think, right now, It's not that speculative-- knowing that properties of the universe resembles condensed matter system.

https://arxiv.org/abs/cond-mat/9711031
 

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