Black Holes and Naked Singularities in Low Energy Limit of String Gravity with Modulus Field

Details Black Holes and Naked Singularities in Low Energy Limit of String Gravity with Modulus Field Black Holes and Naked Singularities in Low Energy Limit of String Gravity with Modulus Field

2000-09-11

arxiv.org/abs/gr-qc/0009030v2

Class.Quant.Grav. 18 (2001) 4165-4178

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

more details are added and some misprint are corrected

Scientific paper

10.1088/0264-9381/18/20/301

We show that the black hole solutions of the effective string theory action,
where one-loop effects that couple the moduli to gravity via a Gauss-Bonnet
term are taken into account, admit primary scalar hair. The requirement of
absence of naked singularities imposes an upper bound on the scalar charges.

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