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4 papers · 1 filter
Violation of the gauge equivalence
R. I. Khrapko
F. V. Gubarev et al. (``On the significance of the vector potential squared'', Phys. Rev. Lett. 86, 2220) have argued that the vector potential itself may have physical meaning, in…
What is mass?
R. I. Khrapko
Does the mass of bodies depend on their velocity? Is the mass additive if separate bodies are joined together to form a composite system? Is the mass of an isolated system conserve…
Rest mass or inertial mass?
R. I. Khrapko
Rest mass takes the place of inertial mass in modern physics textbooks. It seems to be wrong. But this phenomenon is hidden away by the facts that rest mass adherents busily call r…
True energy-momentum tensors are unique. Electrodynamics spin tensor is not zero
R. I. Khrapko
A true energy-momentum tensor is unique and does not admit an addition of a term. The true electrodynamics' energy-momentum tensor is the Maxwell-Minkowski tensor. It cannot be got…