Special Relativity Electromagnetic and Gravitation Combined Into One Theory

In this paper, I try combine Electromagnetic and Gravitation into one theory, using hidden parameters of Special Relativity. Assumption The electron charge cannot be separated from the electron mass. Both are connected to the same particle. This is true for all other elementary particles. In electricity and electronic we can accumulate charge only on capacitors, so I assume that particle is the that hold the particle charge. Of course, such an assumption must agree with all other theories like Relativity Gravitation Electromagnetic etc I paid attention that lines behave mathematically according Special Relativity, (3D electromagnetic cavity also) , hence I used the Transmission line explain why Space Time is the capacitor of particle charge. The final conclusion was that the entire universe is an electromagnetic cavity. The electromagnetic waves create AC currents in the mass capacitance and the move according professor Einstein equations. But Gravitation waves does not exists.