Constructing models for stars and voids in the universeA comprehensive approach

  1. F. Fayos 1
  2. J. M. M. Senovilla 2
  3. R. Torres 3
  1. 1 Universitat Politècnica de Catalunya
    info

    Universitat Politècnica de Catalunya

    Barcelona, España

    ROR https://ror.org/03mb6wj31

  2. 2 Universidad del País Vasco/Euskal Herriko Unibertsitatea
    info

    Universidad del País Vasco/Euskal Herriko Unibertsitatea

    Lejona, España

    ROR https://ror.org/000xsnr85

  3. 3 Universitat de Barcelona
    info

    Universitat de Barcelona

    Barcelona, España

    ROR https://ror.org/021018s57

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Libro:
Proceedings of the XXIII Spanish Relativity Meeting on Reference Frames and Gravitomagnetism: Valladolid, Spain, 6-9 September 2000
  1. J. F. Pascual Sánchez (ed. lit.)
  2. L. Floría (ed. lit.)
  3. A. San Miguel (coord.)
  4. F. Vicente (coord.)

Editorial: World Scientific Publishing Company

ISBN: 9810246315

Año de publicación: 2001

Páginas: 285-292

Congreso: Spanish Relativity Meeting (23. 2000. Salamanca)

Tipo: Aportación congreso

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Resumen

Our aim is to give a general framework for the collapse of spherically symmetric objects and for voids. To accomplish this we will consider the matching of two spherically symmetric space-time regions. We will give a set of conditions to ensure us that the space-time has a physical meaning. Finally we will be able to present a set of necessary conditions which allow us to ascertain which matchings are feasible and which are not allowed. We shall illustrate these results by applying them to reject some families of models and by showing particular well-behaved ones.

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