• Accepted Paper

Multirotating black holes with nonaligned angular momenta in 5D Kaluza-Klein theory

Shinya Tomizawa, Hideo Furugori, Jun-ichi Sakamoto, and Ryotaku Suzuki

Phys. Rev. D - Accepted 11 September, 2026

DOI: https://doi.org/10.1103/h1xz-h6z1

Abstract

We present an exact solution describing multi-rotating black holes in 4D Einstein-Maxwell-dilaton theory, which can be obtained from 5D Kaluza-Klein theory via dimensional reduction. The solution represents a multi-centered configuration of rotating black holes carrying both electric and magnetic charges, with each black hole possessing a non-aligned angular momentum. This work generalizes our previous solution for black holes with aligned angular momenta to the more general case of non-aligned angular momenta. It includes, as special cases, the Majumdar-Papapetrou solution, the recent multi-centered rotating black hole solutions of Teo and Wan, and our previous solution with unequal electric and magnetic charges. The resulting spacetimes are free of curvature singularities and closed timelike curves, both on and outside the horizons, provided that the magnitude of the spin angular momentum of each black hole remains below a certain upper bound. The absence of conical singularities has not been established for the general case with non-aligned angular momenta.

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