In 1905, Einstein gave his first derivation of the mass-energy equivalence by studying, in different reference frames, the energy balance of a body emitting electromagnetic radiation and assuming special relativity as a prerequisite. In this presentation, I reassess the logical soundness of Einstein's approach and the validity of one assumption crucial for the derivation (that has nothing to...
A geometrical interpretation of Schrödinger's kinetic and potential energy operators is proposed, allowing for a covariant momentum space formulation of the dynamics that is relevant for the theories with the generalization of the geometry of the momentum space. Some specific examples are discussed in the context of Euclidean Snyder (spherical momentum space) model. In this formulation the...
This a concise survey of both the first pioneering ideas in the beginning of formation of the Relativity Theory (2nd half of the XIXth century) and its conceptual and essential completion in 1910s .
In this talk I will critically analyse W. Heisenberg's arguments
against the ontology of point particles following trajectories in
quantum theory, presented in his famous 1927 paper and in his Chicago lectures (1929). Along the way, we will clarify the meaning of Heisenberg's uncertainty relation and help resolve some confusions related to it.
General theory of relativity (GR) can be regarded as a phenomenological theory because there are no mediums in GR. Einstein's equations is a basic assumption in GR. Many attempts to reconcile the theory of general relativity and quantum mechanics by using the techniques in quantum electrodynamics failed. Therefore, it seems that new considerations on the ether theories of gravitation is...
