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Search Results: 1 - 10 of 548434 matches for " Angela M. Ares de Parga "
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Deduction of Lorentz Transformations from Classical Thermodynamics
Angela M. Ares de Parga,Fernado Angulo-Brown,Gonzalo Ares de Parga
Entropy , 2015, DOI: 10.3390/e17010197
Abstract: The Lorentz transformations are obtained by assuming that the laws of classical thermodynamics are invariant under changes of inertial reference frames. As Maxwell equations are used in order to deduce a wave equation that shows the constancy of the speed of light, by means of the laws of classical thermodynamics, the invariance of the Carnot cycle is deduced under reference frame changes. Starting with this result and the blackbody particle number density in a rest frame, the Lorentz transformations are obtained. A discussion about the universality of classical thermodynamics is given.
Simple deductions of the integral representations of the relativistic Faraday and Ampère-Maxwell laws and the relativistic transformation laws of the electromagnetic field
Ortiz-Domínguez, M;Pereyra, E.M;Ares de Parga, G;
Revista mexicana de física E , 2008,
Abstract: by using simple concepts of special relativity and the differential representations of the faraday and ampère-maxwell laws, we deduce their gelman-monsivais integral representation. the relativistic transformation laws of the electromagnetic field are also obtained without using tensorial analysis or covariant concepts
Simple deductions of the integral representations of the relativistic Faraday and Ampère-Maxwell laws and the relativistic transformation laws of the electromagnetic field
M Ortiz-Domínguez,E.M Pereyra,G Ares de Parga
Revista mexicana de física E , 2008,
Abstract: By using simple concepts of special relativity and the differential representations of the Faraday and Ampère-Maxwell laws, we deduce their Gelman-Monsivais integral representation. The relativistic transformation laws of the electromagnetic field are also obtained without using tensorial analysis or covariant concepts Usando conceptos simples de la relatividad especial y las representaciones diferenciales de las ecuaciones de Faraday y Ampère-Maxwell, se deducen las representaciones integrales de Gelman-Monsivais de estas ultimas. Se obtienen al mismo tiempo las leyes de las transformaciones relativistas del campo electromagnético sin utilizar análisis tensorial o conceptos covariantes
Contribución del momento magnético a la fuerza de reacción a la radiación en forma relativista
Ares de Parga, G;Ortiz-Domínguez, M;Mares, R;
Revista mexicana de física , 2007,
Abstract: starting with the magnetic smirnov reaction force, a relativistic equation which describes the motion of a charged particle with constant magnetic moment of spin , is obtained. a landau-lifshitz-like equation is deduced with magnetic moment. a fundamental difference between the classical and relativistic radiation rate of energy is found.
La relación entre las derivadas con respecto al tiempo de integrales de volumen, de superficie y de línea y la derivada material
Ares de Parga, G.;Pereyra, E.M.;Gutiérrez-Mejía, F.;
Revista mexicana de física E , 2007,
Abstract: without using the mathematical formalism of differential forms and lie derivatives, the derivatives with respect to the time of volume, surface and line integrals are calculated by using vectorial analysis.
Contribución del momento magnético a la fuerza de reacción a la radiación en forma relativista
G. Ares de Parga,M. Ortiz-Domínguez,R. Mares
Revista mexicana de física , 2007,
Abstract: A partir de la fuerza de reacción a la radiación de origen magnético de Smirnov, se obtiene una ecuación relativista que describe el movimiento de una partícula cargada con momento magnético constante de espín . Se deduce otra ecuación tipo Landau-Lifshitz que incluye el momento magnético. Se encuentra una diferencia fundamental entre la propuesta de energía radiada clásica y la relativista
La relación entre las derivadas con respecto al tiempo de integrales de volumen, de superficie y de línea y la derivada material
G. Ares de Parga,E.M. Pereyra,F. Gutiérrez-Mejía
Revista mexicana de física E , 2007,
Abstract: Sin recurrir al formalismo matemático de formas diferenciales y derivadas de Lie, se calculan por medio del análisis vectorial las derivadas con respecto al tiempo de integrales de volumen, de superficie y de línea. El concepto de derivada material se generaliza con las distintas integrales utilizadas. Without using the mathematical formalism of differential forms and Lie derivatives, the derivatives with respect to the time of volume, surface and line integrals are calculated by using vectorial analysis.
A Classical Complete Action for a System of Small-Point Massive Charged Particles in General Relativity  [PDF]
Gonzalo Ares de Parga, Adriana Avalos-Vargas
Journal of Modern Physics (JMP) , 2015, DOI: 10.4236/jmp.2015.610144
Abstract: A classical action which describes the motion of a system of small-point massive charged particles including the existence of the electromagnetic and gravitational self-forces, Maxwell equations and Einstein field equations is presented. The action possesses the particularity of being a functional of the variables zi (τi), the trajectory of the i-particle, Aα (x), the electromagnetic 4-potential, and gαβ(x), the metric tensor. It is also considered that the metric tensor gαβ (x) and the potential Aα (x) are not functions of the trajectory of each particle when the variations with respect to the trajectories of the particles are done. That is, the action is complete. The electromagnetic and the gravitational self-forces are analyzed.
Relativistic Statistical Mechanics vs. Relativistic Thermodynamics
Gonzalo Ares de Parga,Benjamín López-Carrera
Entropy , 2011, DOI: 10.3390/e13091664
Abstract: Based on a covariant theory of equilibrium Thermodynamics, a Statistical Relativistic Mechanics is developed for the non-interacting case. Relativistic Thermodynamics and Jüttner Relativistic Distribution Function in a moving frame are obtained by using this covariant theory. A proposal for a Relativistic Statistical Mechanics is exposed for the interacting case.
An unphysical result for the Landau-Lifshitz equation of motion for a charged particle
Ares de Parga, G.;Mares, R.;Domínguez, S.;
Revista mexicana de física , 2006,
Abstract: an unphysical result for the landau-lifshitz equation of motion for a charged particle is presented. the similarity with the lorentz-dirac equation is discussed. indeed the reaction force obtained for the uniform electric field vanishes when the motion is parallel to it in both cases. a discussion of this unphysical result is given and the need for of an expression for the radiation rate of energy for the landau-lifshitz theory is emphasized.
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