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gr-qc2024
Neutron stars in extended scalar-Gauss-Bonnet gravity: the richness of the solution spectrum
Kalin V. Staykov, Peter Y. Yordanov, Daniela D. Doneva +1
Neutron stars are natural laboratories for testing gravity in the strong field regime. That is why the full spectrum of neutron star solutions in different modified theories should…
gr-qc2023
Neutron stars in Gauss-Bonnet gravity -- nonlinear scalarization and gravitational phase transitions
Daniela D. Doneva, Christian J. Krüger, Kalin V. Staykov +1
It was recently discovered that scalarized neutron stars in scalar-tensor theories can undergo a gravitational phase transition to a non-scalarized (GR) state. Surprisingly, even t…