Junction conditions are discussed within the framework of f(R)-gravity with torsion. After deriving general junction conditions, the cases of coupling to a Dirac field and a spin fluid are explicitly dealt with. The main differences with respect to Einstein–Cartan–Sciama–Kibble theory (f(R) = R) are outlined.
On the junction conditions in f(R)-gravity with torsion.
Stefano Vignolo;Roberto Cianci;Sante Carloni
2018-01-01
Abstract
Junction conditions are discussed within the framework of f(R)-gravity with torsion. After deriving general junction conditions, the cases of coupling to a Dirac field and a spin fluid are explicitly dealt with. The main differences with respect to Einstein–Cartan–Sciama–Kibble theory (f(R) = R) are outlined.
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