Holographic analysis of Romans supergravity solutions with Abelian magnetic flux yields a family of confining 4D duals featuring a flux-driven first-order deconfinement transition and two parametrically light, nearly degenerate scalar bound states near the transition.
Charging axisymmetric space-times with cosmological constant
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abstract
Ernst's solution generating technique for adding electromagnetic charge to axisymmetric space-times in general relativity is generalised in presence of the cosmological constant. Ernst equations for complex potentials are found and they are traced back to an affective dual complex dynamical system, whose symmetries are studied. In particular this method is able to generate charged, asymptotically (A)dS black holes from their uncharged version: as an example, it is shown explicitly how to pass from the Kerr-(A)dS to the Kerr-Newman-(A)dS metric. A new solution describing a magnetic universe in presence of the cosmological constant is also generated.
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Essentially all known analytical exact single black hole solutions in four-dimensional Einstein-Maxwell theory belong to the accelerating Kerr-Newman-NUT family placed in backgrounds that are subcases of the conjugated Kerr-Newman-NUT spacetime with arbitrary angular topology.
Three homogeneous universes with distinct matter content obey the same thermodynamic equation for energy density, implying vanishing cosmological constant in vacuum.
citing papers explorer
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Bound states and deconfinement from Romans supergravity with magnetic flux
Holographic analysis of Romans supergravity solutions with Abelian magnetic flux yields a family of confining 4D duals featuring a flux-driven first-order deconfinement transition and two parametrically light, nearly degenerate scalar bound states near the transition.
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Black holes in rotating, electromagnetic backgrounds and topological Kerr-Newman-NUT spacetimes
Essentially all known analytical exact single black hole solutions in four-dimensional Einstein-Maxwell theory belong to the accelerating Kerr-Newman-NUT family placed in backgrounds that are subcases of the conjugated Kerr-Newman-NUT spacetime with arbitrary angular topology.
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Thermodynamics of homogeneous Universes: de Sitter, Bonnor-Melvin and static Einstein
Three homogeneous universes with distinct matter content obey the same thermodynamic equation for energy density, implying vanishing cosmological constant in vacuum.