Quantum Mechanics & Gravity: Is There a Connection?

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Discussion Overview

The discussion revolves around the potential connection between quantum mechanics and gravity, specifically exploring whether gravity can be quantized similarly to other fundamental forces. The scope includes theoretical aspects of quantum gravity and speculative concepts related to it.

Discussion Character

  • Exploratory, Debate/contested, Technical explanation

Main Points Raised

  • One participant suggests that everything is quantized in quantum mechanics and questions if gravity has a corresponding quantum particle, similar to photons for light.
  • Another participant notes that there is currently no generally-accepted quantum theory of gravity, indicating that the question cannot be definitively answered at this time.
  • A third participant introduces the term "graviton" as a concept to explore in relation to quantum gravity.
  • One participant expresses that the graviton is a speculative idea, suggesting that if a quantum theory of gravity existed, it would likely involve such a particle.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the existence or nature of a quantum theory of gravity, and multiple competing views regarding the graviton and its speculative status are presented.

Contextual Notes

The discussion highlights the uncertainty surrounding the concept of quantum gravity and the speculative nature of the graviton, with no established framework or definitions agreed upon by participants.

rakeshsugirth
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Hi all,
I am not very good in quantum mechanics but i suppose everything is quantized in QM. Then does gravity have some basic quantum (like photons for light)?
 
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At the present time, there is no generally-accepted quantum theory of gravity, so it is not possible to answer this question for sure. It is an active field of theoretical research, but so far there is no definitive conclusion.
 
However, you might want to try looking up the word "graviton".
 
My understanding is that the graviton is a rather speculative object.. if there were a quantum theory of gravity, it would probably have an object that people call (in advance) a graviton.
 

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