The mass of an object warps/bends/disturbs spacetime. But does the

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Discussion Overview

The discussion revolves around the relationship between mass, energy, and the warping of spacetime, as well as the potential effects of entropy on spacetime curvature. Participants explore theoretical implications and relationships between these concepts without arriving at definitive conclusions.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • Some participants suggest that the warping of spacetime may create mass or energy, referencing the Einstein field equations and the energy-momentum tensor.
  • Others argue that while mass and the bending of spacetime are related, the term "creates" may not be appropriate, proposing that they coexist rather than one causing the other.
  • One participant posits that mass and the warping of spacetime might be fundamentally the same entity.
  • Another participant introduces the question of how entropy affects spacetime, suggesting a relationship between increasing disorder and the curvature of spacetime.
  • A later reply challenges the idea that increased disorder leads to a flattening of spacetime, indicating that local regions with less energy density would have less curvature, but the universe as a whole would not necessarily flatten.

Areas of Agreement / Disagreement

Participants express differing views on the relationship between mass, energy, and spacetime curvature, with no consensus reached on whether warping creates mass or if they are inherently linked. The discussion on entropy's effect on spacetime also remains unresolved.

Contextual Notes

Participants' claims depend on interpretations of theoretical frameworks, and there are unresolved assumptions regarding the definitions of mass, energy, and entropy in relation to spacetime curvature.

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The mass of an object warps/bends/disturbs spacetime. But does the active warping/bending of spacetime create mass/energy?
 
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PeterShaw said:
The mass of an object warps/bends/disturbs spacetime. But does the active warping/bending of spacetime create mass/energy?

Yes. From the Einstein field equations the cause of having a non-vanishing curvature of spacetime is a non-zero energy-momentum tensor which demonstrates the presence of matter and gravitational fields (the latter would not be always the reason for having a curved spacetime).

AB
 


PeterShaw said:
The mass of an object warps/bends/disturbs spacetime. But does the active warping/bending of spacetime create mass/energy?
One does not go without the other. Who knows, perhaps they are the same thing.
 


"Creates" is different from "goes together with". I think the last is more appropriate with mass and bending. What else than mass can bend spacetime? So if you create more mass, by turning energy into mass, then you create more bending.
 


How does entropy affect spacetime? Is this a fair statement to make...'If entropy is a measure of disorder, than as the disorder of a system increases spacetime flattens?'
 


PeterShaw said:
How does entropy affect spacetime? Is this a fair statement to make...'If entropy is a measure of disorder, than as the disorder of a system increases spacetime flattens?'

In local regions less momentum and energy density will mean less curvature, but as a whole the universe wouldn't flatten as a result.
 

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