- #1
Clive Redwood
- 6
- 0
In deriving the expression for the deflection Φ of light around a massive body, invoking Huygens' principle, Einstein arrived at the equation:
dΦ/dx2 = dγ/dx1
where γ is the speed of light in units of c, and the xμ are space coordinates.
How is this equation arrived at?
dΦ/dx2 = dγ/dx1
where γ is the speed of light in units of c, and the xμ are space coordinates.
How is this equation arrived at?