Revisiting black holes and their thermodynamics in Einstein-Kalb-Ramond gravity

Abstract: Einstein-Kalb-Ramond gravity is an alternative theory of gravity in which a rank-two antisymmetric tensor field, known as the Kalb-Ramond field, is nonminimally coupled to gravity and can induce spontaneous Lorentz symmetry breaking when it acquires a nonzero vacuum expectation value. In this work, we revisit Einstein-Kalb-Ramond gravity and obtain two classes of exact static black hole solutions with general topological horizons in diverse dimensions within this framework, both with and without a cosmological constant. We further analyze their thermodynamic properties and employ the Wald formalism to compute the Noether mass and entropy, thereby establishing the corresponding first law of black hole thermodynamics. Finally, we discuss the implications of the Noether mass charge for constraining spontaneous Lorentz symmetry breaking within the framework of Einstein-Kalb-Ramond gravity.