## Properties of the 5-Dimensional Extended Space Model with Variable Photons Mass and Size

We suggest the generalisation of the special relativity theory (STR) of Einstein. The (1 + 4)-dimensional space G, which is the extension of the (1 + 3)-dimensional Minkowski space M(T;X, Y , Z), is used in our model. The intervals are used as a fifth extra co-ordinate. Action is...

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