If we take the Lagrangian of a spin-0 scalar field and use the Euler-Lagrange equation, we end up with the Klein-Gordon equation. Does that mean that the wave equation of spin-0 scalar particles is the Klein-Gordon equation?(adsbygoogle = window.adsbygoogle || []).push({});

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# I Is the KleinGordon Eq the Wave Eq for Spin0 Scalar particles

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