m = \frac{m_{0}}{\sqrt{1-v^{2}/c^{2}}}


x'=x-ut \\
y'=y \\
z'=z \\
t'=t


x'=\frac{x-ut}{\sqrt{1-u^{2}/c^{2}}} \\
y'=y \\
z'=z \\
t'=\frac{t-ux/c^{2}}{\sqrt{1-u^{2}/c^{2}}}


x=\frac{x'+ut'}{\sqrt{1-u^{2}/c^{2}}} \\
y=y' \\
z=z' \\
t=\frac{t'+ux'/c^{2}}{\sqrt{1-u^{2}/c^{2}}}


c^{2}t'^{2}-x'^{2}-y'^{2}-z'^{2}=c^{2}t^{2}-x^{2}-y^{2}-z^{2}


x'=x \cos\theta + y \sin\theta \\
y'=y \cos\theta - x \sin\theta \\


m = \frac{m_{0}}{\sqrt{1-v^{2}/c^{2}}} = m_{0}(1-v^{2}/c^{2})^{-1/2}


m_{0}(1-v^{2}/c^{2})^{-1/2} = m_{0}(1+\frac{1}{2}\frac{v^{2}}{c^{2}}
+\frac{3}{8}\frac{v^{4}}{c^{4}}+\dots)



mc^{2}= m_{0}c^{2}+\frac{1}{2}m_{0}v^{2}+\dots


E=mc^{2}


\frac{dE}{dt}={\bf F} \cdot {\bf v}


{\bf p} = m {\bf v} = \frac{m_{0}{\bf v}}{\sqrt{1-v^{2}/c^{2}}}


x'=\frac{x-ut}{\sqrt{1-u^{2}}} \\
y'=y \\
z'=z \\
t'=\frac{t-ux}{\sqrt{1-u^{2}}}


x=\frac{x'+ut'}{\sqrt{1-u^{2}}} \\
y=y' \\
z=z' \\
t=\frac{t'+ux'}{\sqrt{1-u^{2}}}


E'=\frac{E-up_{x}}{\sqrt{1-u^{2}}} \\


p_{x'}=\frac{p_{x}-uE}{\sqrt{1-u^{2}}} \\
p_{y'}=p_{y} \\
p_{z'}=p_{z} \\
E'=\frac{E-up_{x}}{\sqrt{1-u^{2}}}


\sum _{\mu} ^{} {} ^{'} A_{\mu}A_{\mu}={A_{t}}^{2}-{A_{x}}^{2}-{A_{y}}^{2}-{A_{z}}^{2}


\sum _{\mu} ^{} {} ^{'} A_{\mu}B_{\mu}=A_{t}B_{t}-A_{x}B_{x}-A_{y}B_{y}
-A_{z}B_{z}


{\bf p}=(E, p_{x}, p_{y}, p_{z})= (p_{t}, p_{x}, p_{y}, p_{z})


{p_{t}}^{2}-{p_{x}}^{2}-{p_{y}}^{2}-{p_{z}}^{2}


E^{2}-p^{2}


E^{2}-p^{2}={m_{0}}^{2}


E=mc^{2}=m


{m_{0}}^{2}=E^{2}-p^{2}=E^{2}-(mv)^{2}=E^{2}-(mc)^{2}=E^{2}-m^{2}=E^{2}-E^{2}=0

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最終更新:2009年07月23日 01:03