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A Uniqueness theorem for 5-dimensional Einstein-Maxwell black holes
Stefan Hollands, Stoytcho Yazadjiev
In a previous paper arXiv:0707.2775 [gr-qc] we showed that stationary asymptotically flat vacuum black hole solutions in 5 dimensions with two commuting axial Killing fields can be…
Scalar-tensor black holes coupled to Euler-Heisenberg nonlinear electrodynamics
Ivan Zh. Stefanov, Stoytcho S. Yazadjiev, Michail D. Todorov
The no-scalar-hair conjecture rules out the existence of asymptotically flat black holes with a scalar dressing for a large class of theories. No-scalar-hair theorems have been pro…
Phases of 4D Scalar-tensor black holes coupled to Born-Infeld nonlinear electrodynamics
Ivan Zh. Stefanov, Stoytcho S. Yazadjiev, Michail D. Todorov
Recent results show that when non-linear electrodynamics is considered the no-scalar-hair theorems in the scalar-tensor theories (STT) of gravity, which are valid for the cases of…
Uniqueness theorem for 5-dimensional black holes with two axial Killing fields
Stefan Hollands, Stoytcho Yazadjiev
We show that two stationary, asymptotically flat vacuum black holes in 5 dimensions with two commuting axial symmetries are identical if and only if their masses, angular momenta,…
Black Saturn with dipole ring
Stoytcho Yazadjiev
We present a new stationary, asymptotically flat solution of 5D Einstein-Maxwell gravity describing a Saturn-like black object: a rotating black hole surrounded by a rotating dipol…
Scalar-tensor black holes coupled to Born-Infeld nonlinear electrodynamics
Ivan Zh. Stefanov, Stoytcho S. Yazadjiev, Michail D. Todorov
The non-existence of asymptotically flat, neutral black holes and asymptotically flat, charged black holes in the Maxwell electrodynamics, with non-trivial scalar field has been pr…