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Open AccessArticle

MGD Dirac Stars

Center of Mathematics, Federal University of ABC, 09210-580 Santo André, Brazil
Symmetry 2020, 12(4), 508; https://doi.org/10.3390/sym12040508
Received: 25 February 2020 / Revised: 18 March 2020 / Accepted: 24 March 2020 / Published: 1 April 2020
(This article belongs to the Special Issue Recent Advances in Quantum Gravity)
The method of geometric deformation (MGD) is here employed to study compact stellar configurations, which are solutions of the effective Einstein–Dirac coupled field equations on fluid branes. Non-linear, self-interacting, fermionic fields are then employed to derive MGD Dirac stars, whose properties are analyzed and discussed. The MGD Dirac star maximal mass is shown to increase as a specific function of the spinor self-interaction coupling constant, in a realistic model involving the most strict phenomenological current bounds for the brane tension. View Full-Text
Keywords: minimal geometric deformation; fluid branes; brane tension; Dirac stars, spinor fields minimal geometric deformation; fluid branes; brane tension; Dirac stars, spinor fields
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da Rocha, R. MGD Dirac Stars. Symmetry 2020, 12, 508.

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