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Article #5788

Re: Fermat's principle and curved spacetime

#5788
From: Dieter Heidorn
Date: Sat, 19 Jan 2008 13:33
35 lines
2718 bytes
Pentcho Valev schrieb:

> On Jan 18, 11:03 pm, Dieter Heidorn <d.heid...@t-online.de> wrote:
> 
>>Pentcho Valev schrieb:
>>
>>In his 1911 work "οΏ½ber den Einfluss der Schwerkraft auf die Ausbreitung
>>des Lichtes", Annalen der Physik 35 (1911); translated: "On the
>>Influence of Gravitation on the Propagation of Light" Einstein uses the
>>equivalence principle to derive the relation for gravitational red-shift
>>
>>nu_1 = nu_2 (1 + V/c^2)
>>
>> From this he concluded that the speed of light must vary according to
>>
>>c = c_0 (1 + V/c^2)
>>
>>Using this equation Einstein derives a relation for the deflection angle
>>for light passing the sun (1911):
>>
>>alpha = 2 GM / (c^2 R)
>>
>>This is wrong by a factor 2.
> 
> 
> Can you sleep well? If you are a clever Einsteinian, I guess you
> cannot. Nightmares all night long.
> 

This is all you have to say?

I see: you have no arguments against the material in my previous
posting. Well, I half expected it...

Dieter Heidorn
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From: Dieter Heidorn <d.heidorn@t-online.de>
Newsgroups: sci.physics.relativity,sci.physics,sci.astro,fr.sci.physique,fr.sci.maths
Subject: Re: Fermat's principle and curved spacetime
Date: Sat, 19 Jan 2008 14:33:52 +0100
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