Does light receive a spacetime curvature upon refraction?

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Discussion Overview

The discussion revolves around the nature of light refraction and whether it can be described in terms of spacetime curvature. Participants explore the mathematical description of bending light and the implications of quantum effects at the intersections of light paths.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant questions whether the bend of light can be mathematically described in terms of curvature, specifically referring to spacetime curvature.
  • Another participant clarifies that the bending of light's path is not the same as spacetime curvature, suggesting that they are distinct concepts.
  • A participant raises the possibility of quantum effects influencing photons at intersections, indicating that these effects may not necessarily relate to gravity or time.
  • It is noted that while quantum models can describe photons, the classical model of light as electromagnetic waves can also adequately explain refraction without invoking quantum mechanics.

Areas of Agreement / Disagreement

Participants express differing views on the relationship between light bending and spacetime curvature, with some asserting they are not the same, while others explore the implications of quantum effects. The discussion remains unresolved regarding the mathematical description of these phenomena.

Contextual Notes

There are limitations in the assumptions made about the relationship between light's path curvature and spacetime curvature, as well as the applicability of quantum versus classical models in explaining refraction.

Atlas3
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could the bend be described mathematically? Not the vector the curvature.
 
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The bend in what? In the path of the light? That's not spacetime curvature; that's just curvature of the light's path. They're not the same thing.
 
Is there quantum effects at intersection? Not necessarily gravity or time. On the photon.
 
Atlas3 said:
Is there quantum effects at intersection? Not necessarily gravity or time. On the photon.

If you're talking about photons, you're talking about the quantum model of light. However, you don't need the quantum model of light to explain refraction; the classical model, of light as electromagnetic waves obeying Maxwell's Equations, explains refraction just fine.
 
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Thank you
 

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