RT Journal Article T1 Reissner-Nordstrom black holes in the inverse electrodynamics model A1 Ruiz Cembranos, José Alberto A1 Cruz Dombriz, Álvaro de la A1 Jarillo Díaz, Javier AB We study electric and magnetic monopoles in static, spherically symmetric and constant curvature geometries in the context of the inverse electrodynamics model. We prove that this U(1) invariant Lagrangian density is able to support the standard metric of a Reissner-Nordstrom Black Hole, but with more complex thermodynamical properties than in the standard case. By employing the Euclidean Action approach we perform a complete analysis of its phase space depending on the sign and singularities of the heat capacity and the Helmholtz free energy. PB Iop Publishing SN 1475-7516 YR 2015 FD 2015-02 LK https://hdl.handle.net/20.500.14352/24014 UL https://hdl.handle.net/20.500.14352/24014 LA eng NO © 2015 IOP Publishing. We would like to thank Pablo Jimeno Romero for his useful advice, and to Luis J. Garay and José Beltrán Jiménez for helpful discussions. J.A.R.C. and A.d.l.C.D. acknowledge financial support from MINECO (Spain) projects FPA2011-27853-C02-01, FIS2011-23000 and Consolider-Ingenio MULTIDARK CSD2009-00064. J.J. acknowledges financial support the Spanish Ministerio de Educación, Cultura y Deporte for support through grant FPU-13/02934. J.A.R.C. thanks the support of the Becas Complutense del Amo program. A.d.l.C.D. thanks Kavli Institute for Theoretical Physics China (KITPC) for their hospitality and the ACGC University of Cape Town, for support during the early stages of preparation of this manuscript. A.d.l.C.D. is also indebted to the Centre de Cosmologie Physique des Particules et Phénoménologie CP3, Université catholique de Louvain, Louvain-la-Neuve, Belgium for its assistance with the final steps prior to the release of this manuscript. J.J. is grateful to the Theoretical Physics and the Atomic, Molecular and Nuclear Physics Departments, Complutense University of Madrid for technical facilities. NO Ministerio de Economía y Competitividad (MINECO), España NO Consolider-Ingenio MULTIDARK NO Spanish Ministerio de Educacion, Cultura y Deporte NO Becas Complutense del Amo program NO ACGC University of Cape Town DS Docta Complutense RD 17 abr 2025