2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/53326Under the axisymmetry and under the invarance of simultaneous inversion of time and azimuthal angle, we show that the axionic Kerr black hole is the ${\it unique}$ stationary solution of the minimal coupling theory of gravity and the Kalb-Ramond field, which has a regular event horizon, is asymptotically flat and has a finite axion field strength at event horizon.11 pagesHigh Energy Physics - Theorytext