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==== Suggested changes to the wall: ==== | ==== Suggested changes to the wall: ==== | ||
'''Klein-Gordon equation:''' (this is not included in 'The Wall', but it has been suggested that perhaps it should have been) | ++ '''Klein-Gordon equation:''' (this is not included in 'The Wall', but it has been suggested that perhaps it should have been) | ||
: $$\frac{1}{c^2} \frac{\partial^2}{\partial t^2} \psi - \nabla^2 \psi + \frac{m^2 c^2}{\hbar^2} \psi = 0$$ | : $$\frac{1}{c^2} \frac{\partial^2}{\partial t^2} \psi - \nabla^2 \psi + \frac{m^2 c^2}{\hbar^2} \psi = 0$$ | ||
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