Dyonic Ellis-Bronnikov wormholes supported by phantom dilaton, axion, and dyonic gauge fields arise from warped five-dimensional scalar-tensor theories via Kaluza-Klein reduction.
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gr-qc 3years
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For cylindrical black strings, NED Lagrangians with a Maxwell weak-field limit cannot produce regular purely electric or dyonic cores; regular magnetic Bardeen/Hayward analogues exist but violate causality near the axis.
Regular black-hole and black-bounce solutions are derived in lower-dimensional EGB gravity using nonlinear electrodynamics or unimodular extensions, with thermodynamics showing modified evaporation, remnants, and phase transitions.
citing papers explorer
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Dyonic Ellis-Bronnikov wormholes from warped extra dimensions
Dyonic Ellis-Bronnikov wormholes supported by phantom dilaton, axion, and dyonic gauge fields arise from warped five-dimensional scalar-tensor theories via Kaluza-Klein reduction.
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On regular black string spacetimes in nonlinear electrodynamics
For cylindrical black strings, NED Lagrangians with a Maxwell weak-field limit cannot produce regular purely electric or dyonic cores; regular magnetic Bardeen/Hayward analogues exist but violate causality near the axis.
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Geometrically Regular Black Object Solutions in Lower-Dimensional Gauss-Bonnet Gravity and Its Unimodular Extension
Regular black-hole and black-bounce solutions are derived in lower-dimensional EGB gravity using nonlinear electrodynamics or unimodular extensions, with thermodynamics showing modified evaporation, remnants, and phase transitions.