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Stability of the graviton Bose-Einstein condensate in the brane-world

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arxiv 1610.01572 v1 pith:SXM2RTYP submitted 2016-10-05 hep-th gr-qc

Roberto Casadio , Roldao da Rocha This is my paper · ORCID
classification hep-thgr-qc
keywords branecriticalbose-einsteincondensategeneralrelativisticsingularitiesstability
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We consider a solution of the effective four-dimensional Einstein equations, obtained from the general relativistic Schwarzschild metric through the principle of Minimal Geometric Deformation (MGD). Since the brane tension can, in general, introduce new singularities on a relativistic E\"otv\"os brane model in the MGD framework, we require the absence of observed singularities, in order to constrain the brane tension. We then study the corresponding Bose-Einstein condensate (BEC) gravitational system and determine the critical stability region of BEC MGD stellar configurations. Finally, the critical stellar densities are shown to be related with critical points of the information entropy.

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Cited by 2 Pith papers

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  1. Isotropization and change of complexity by gravitational decoupling

    gr-qc 2019-09 conditional novelty 6.0 of 10

    A gravitational decoupling technique that continuously isotropizes anisotropic stellar solutions and generates new solutions with controlled complexity factor, demonstrated on two exact examples.

  2. Configurational entropy and instability of tachyonic braneworld

    hep-th 2019-08 conditional novelty 4.0 of 10

    In a tachyonic braneworld, configurational entropy has a minimum at a critical scale-factor rate for AdS or flat bulk, and the paper suggests this rate sets cosmic acceleration or inflation, though the physical link i...

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