Stationary Black Holes with Static and Counterrotating Horizons
Burkhard Kleihaus, Jutta Kunz, Francisco Navarro-L\'erida
TL;DR
This paper demonstrates the existence of rotating dyonic black holes with static and counterrotating horizons in Einstein-Maxwell-dilaton theory for certain dilaton couplings, revealing new horizon structures and properties.
Contribution
It introduces new black hole solutions with static and counterrotating horizons in Einstein-Maxwell-dilaton theory beyond the Kaluza-Klein coupling value.
Findings
Black holes with static horizons bifurcate from static solutions.
Mass decreases with increasing angular momentum.
Horizons are prolate in shape.
Abstract
We show that rotating dyonic black holes with static and counterrotating horizon exist in Einstein-Maxwell-dilaton theory when the dilaton coupling constant exceeds the Kaluza-Klein value. The black holes with static horizon bifurcate from the static black holes. Their mass decreases with increasing angular momentum, their horizons are prolate.
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