Hello there, could anyone help me with a certain basic problem in relativistic QM? What would be the wave function of a photon (or generally a particle with zero rest mass) in a spherical 3D cavity, having potential energy V=0 within the cavity and V=k outside the sphere (k>0)? I have been trying to google it but all I have found were just solutions assuming nonzero rest mass.(adsbygoogle = window.adsbygoogle || []).push({});

Thanks in advance.

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# Wave function of a photon in a spherical cavity

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