Spacetime proven or is the Graviton still alive?

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Discussion Overview

The discussion centers on the relationship between spacetime and the graviton, exploring whether spacetime has been proven and the current status of the graviton in theoretical physics. It encompasses theoretical and conceptual aspects of spacetime and quantum gravity.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • Some participants assert that spacetime, as described by special relativity (SR), has been well verified experimentally.
  • Others question the assumption that spacetime and the graviton are mutually exclusive concepts.
  • There is a suggestion that gravitons are thought to warp space and time similarly to how spacetime is warped.
  • One participant proposes that quantizing a continuous field leads to the emergence of particles, including gravitons, if quantum mechanics (QM) is applicable to gravity.

Areas of Agreement / Disagreement

Participants express differing views on the relationship between spacetime and the graviton, with no consensus reached on whether they are mutually exclusive or how they interact.

Contextual Notes

The discussion includes assumptions about the detection of gravity waves and the implications of quantum mechanics for gravity, which remain unresolved.

jaketodd
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Has the interlinking of space and time been proven? If so, how?

Is there any hope left for the graviton?
 
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Why would you think they are mutually exclusive?

Spacetime (SR) has been well verified experimentally, but even classical gravity waves are below the threshold of detection, let alone gravitons.
 
DaleSpam said:
Why would you think they are mutually exclusive?

Spacetime (SR) has been well verified experimentally, but even classical gravity waves are below the threshold of detection, let alone gravitons.

So the graviton is thought to warp space and time just like the warping of spacetime?
 
jaketodd said:
So the graviton is thought to warp space and time just like the warping of spacetime?

Any time you quantize a continuous field, particles pop out of the math. It applies to pseudo-particles like electron density waves. Certainly applies to gravity too. If QM works with gravity at all, you "get" gravitons.
 

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