Where did General Relativity Come From

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Discussion Overview

The discussion revolves around the origins of General Relativity, particularly focusing on Einstein's publications and the theoretical developments leading to the formulation of the theory. Participants explore the historical context, key papers, and the relationship between Special Relativity and General Relativity.

Discussion Character

  • Exploratory
  • Historical
  • Technical explanation

Main Points Raised

  • One participant expresses curiosity about the initial development of General Relativity and inquires about specific papers or publications by Einstein following 1905.
  • Another participant mentions the principle of relativity as a general principle that distinguishes Special Relativity from other interactions, though they are uncertain if this fully addresses the original question.
  • A participant identifies Einstein's 1915 paper "Die Feldgleichungen der Gravitation" as a key publication and suggests that General Relativity extends from Special Relativity by considering the equivalence of accelerating reference frames and gravitational fields.
  • Links to various resources are provided, including Einstein's starting points and a list of his scientific publications, although some are noted to be in German.
  • One participant discusses the concept of curved worldlines in space-time diagrams and the transformation of axes to accommodate a general metric, implying a progression in understanding from flat space metrics.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the completeness of the historical narrative or the specific details of Einstein's publications. Multiple viewpoints and interpretations of the relationship between Special and General Relativity are presented.

Contextual Notes

Some participants express uncertainty regarding the completeness of their answers and the implications of the principle of relativity, indicating that further clarification may be needed.

Galadirith
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Hi guys, I have been wondering where did General Relativity actually start. I know obviously that it came a while after 'ON THE ELECTRODYNAMICS OF MOVING BODIES' and Einstein was considering adding various things to his theory of SR. I hope I'm not naive in thinking this But was there a paper like 'On The..' where he describes his findings. Where where his field equations proposed? I've search everywhere but strangely I can't find any reference to and of his publications after 1905. Thanks guys :-)
 
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The principle of relativity is a general principle that must be described in order to describe how *special relativity* differs from normal interact, mainly in terms of the "speed" of light.

Although, I admit, I'm not quite sure if that gives you a complete answer that you're looking for, does it?
 
His paper was published in 1915, called "Die Feldgleichungen der Gravitation (The Field Equations of Gravitation)"

Basically, General relativity comes by extension of special relativity. One supposes that experiments in an accelerating reference frame are indistringuishible from those in a gravitational field. The rest sort of... falls out. almost.
 
It seems obvious now, that because accelerating bodies have curved worldlines in space-time diagrams, we can straighten those lines by transforming the axes somehow. This means instead of the flat space metric ( -1, 1, 1, 1) we use a general one, gab where each component can depend on position and/or time.

After that ( to quote DeShark) "The rest sort of... falls out".
 

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