Journal
SYMMETRY-BASEL
Volume 12, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/sym12040508
Keywords
minimal geometric deformation; fluid branes; brane tension; Dirac stars; spinor fields
Categories
Funding
- Sao Paulo Research Foundation (FAPESP) [2017/18897-8]
- National Council for Scientific and Technological Development-CNPq [303390/2019-0, 406134/2018-9, 303293/2015-2]
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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.
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