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Molina, Martín; Villanueva, J R
Classical and quantum gravity, 05/2021, Letnik: 38, Številka: 10Journal Article
Abstract In light of the growing interest in the Hayward black hole solution, a detailed study on the corresponding lapse function and its roots is presented. The lapse function is expressed in terms of the classical Schwarzschild radius r s and the Hayward’s parameter l . Both of these quantities are used as thermodynamic variables to find related thermodynamic quantities. In this context, the variable l is associated with a canonical conjugate variable F H , and a free energy Ξ. Moreover, a second order phase transition is found to appears at l ≈ 0.333 r s .
