A new perspective on relativity : an odyssey in by Bernard H. Lavenda

By Bernard H. Lavenda

This quantity records the learn conducted via vacationing scientists hooked up to the Institute for Mathematical Sciences (IMS) on the nationwide college of Singapore and the Institute of excessive functionality Computing (IHPC) less than this system "Advances and Mathematical concerns in huge Scale Simulation." From 2002 to 2003, researchers from numerous international locations amassed to begin fascinating and leading edge paintings on a number of subject matters relating to multiscale simulation and quickly algorithms. at the present time, modeling and simulation are used greatly to resolve advanced difficulties and to lessen using experimentation throughout the layout and research level. you will need to be aware of some of the concerns that experience to be thought of within the winning improvement of computational methodologies for such paintings. This quantity is a compilation of the study through a variety of traveling scientists within the region of modeling and multiscale simulation. every one article covers an immense undertaking and records how computational method, mathematical modeling, excessive functionality computing and simulation are mixed in a multiscale scheme to resolve numerous advanced difficulties. a few of these contain the layout, synthesis, processing, characterization and manufacture of nanomaterials and nanostructures, new algorithms for computational paintings, and grid computing. throughout the integrated examples, readers can discover the great strength of computational modeling and massive scale simulation for the answer of difficulties in quite a few disciplines and purposes 1. creation -- 2. Which geometry? -- three. a short heritage of sunshine, electromagnetism and gravity -- four. Electromagnetic radiation -- five. The origins of mass -- 6. Thermodynamics of relativity -- 7. common relativity in a non-euclidean geometrical atmosphere -- eight. Relativity of hyperbolic house -- nine. Nonequivalence of gravitation and acceleration -- 10. Aberration and radiation strain within the Klein and PoincareМЃ versions -- eleven. The inertia of polarization

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26, 2011 11:16 SPI-B1197 A New Perspective on Relativity b1197-ch01 Introduction 25 to favor the Abraham model of the electron [cf. Sec. 1], Poincaré [54] appears to have lost faith in his principle for [Kaufmann’s] experiments have given grounds to the Abraham theory. The principle of relativity may well not have been the rigorous value which has been attributed to it. Kaufmann’s experiments were set-up to discriminate between various models proposed for the dependency of the mass of the electron on its speed.

The two conditions that Essen is referring to is the dilatation of time and the contraction of length. There is no new physical theory, but, “simply a new system of units in which c is constant” so that either time or length Aug. 26, 2011 11:16 16 SPI-B1197 A New Perspective on Relativity b1197-ch01 A New Perspective on Relativity or both must be a function of c such that their ratio, d/t, gives c. This is not what Louis de Broglie [51] had to say: Poincaré did not take the decisive step. He left to Einstein the glory of having perceived all the consequences of the principle of relativity and, in particular, of having clarified through a deeply searching critique of the measures of length and duration, the physical nature of the connection established between space and time by the principle of relativity.

Kaufmann and others have deflected cathode rays by electric and magnetic fields to find the ratio of charge to mass. This ratio was found to change with velocity. If charge is invariant, then it must be the mass in the ratio that increases with the particle’s velocity. These measurements cannot be used to confirm that all the mass of the electron is electromagnetic in nature. The reason is that “Einstein’s theory of relativity shows that mass as such, regardless of its origin, must depend on the velocity in a way described by Lorentz’s formula” [italics added] [Born 62].

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