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      Soluciones conformemente planas con ecuación de estado no local

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          Abstract

          Una ecuación de estado no local describe las componentes del tensor de energía-impulso no sólo como función de un punto, sino como un funcional que toma en consideración la contribución de toda la configuración de materia encerrada hasta ese punto. En este trabajo se muestra que es posible obtener distribuciones de materia físicamente aceptables que poseen simultaneamente tanto una métrica conformemente plana como una ecuación de estado no local. Se presenta la evolución de objetos compactos en distintos escenarios, determinando para el caso cuasi-estático las condiciones para la aparición de exfoliación térmica.

          Translated abstract

          A non-local equation of state describes the components of the energy-momentum tensor not only as a function of a point, but as a functional throughout the enclosed configuration. In this work, we show that it is possible to obtain physically acceptable conformally flat, anisotropic matter distributions that satisfy a non-local equation of state. The evolution of such objects is presented, determining for the quasi-static case the conditions for thermic-peeling effect.

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          Stellar Structure and Evolution

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            J. Math. Phys.

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              Gen. Rel. Grav.

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                Author and article information

                Journal
                rmf
                Revista mexicana de física
                Rev. mex. fis.
                Sociedad Mexicana de Física (México, DF, Mexico )
                0035-001X
                May 2006
                : 52
                : suppl 3
                : 112-115
                Affiliations
                [01] orgnameUniversidad del Zulia orgdiv1Facultad de Ciencias orgdiv2Departamento de Física Venezuela agmunoz@ 123456luz.edu.ve
                [02] orgnameUniversidad de Los Andes orgdiv1Facultad de Ciencias orgdiv2Centro Nacional de Cálculo Científico Venezuela nunez@ 123456ula.ve
                Article
                S0035-001X2006000900032 S0035-001X(06)05200000032
                ea046f94-5373-4c80-99ef-c6968bb94b35

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 19 June 2004
                : 04 November 2003
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 5, Pages: 4
                Product

                SciELO Mexico

                Categories
                Física teórica

                thermic peeling,conformally flat metrics,relativistic anisotropic matter distributions,Non-local equation of state,exfoliación térmica,métricas conformemente planas,fluidos anisótropos relativistas,Ecuación de estado no-local

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