Scalar Field Static Spherically Symmetric Solutions in Teleparallel F ( T ) Gravity

Alexandre Landry ()
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Alexandre Landry: Department of Mathematics and Statistics, Dalhousie University, Halifax, NS B3H 3J5, Canada

Mathematics, 2025, vol. 13, issue 6, 1-32

Abstract: We investigate in this paper the static radial coordinate-dependent spherically symmetric spacetime in teleparallel F ( T ) gravity for a scalar field source. We begin by setting the static field equations (FEs) to be solved and solve the conservation laws for scalar field potential solutions. We simplify the FEs and then find a general formula for computing the new teleparallel F ( T ) solutions applicable for any scalar field potential V ( T ) and coframe ansatz. We compute new non-trivial teleparallel F ( T ) solutions by using a power-law coframe ansatz for each scalar potential case arising from the conservation laws. We apply this formula to find new exact teleparallel F ( T ) solutions for several cases of coframe ansatz parameter. The new F ( T ) solution classes will be relevant for studying the models close to Born–Infeld and/or scalarized Black Hole (BH) solutions inside the dark energy (DE) described by a fundamental scalar field such as quintessence, phantom energy or quintom system, to name only those types.

Keywords: teleparallel F(T) gravity; staticscalar field sources; scalar field sources; static spherically symmetric teleparallel spacetimes; dark energy sources; astrophysical systems in dark energy (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2025
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