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gr-qc2026
Scalar quasinormal and quasibound states of weakly magnetized Ernst--Schwarzschild spacetime: a confluent-Heun Wronskian approach
Danilo S. Ferreira, Luis B. Castro
We study the quasinormal-mode and quasibound-state spectra of a massless scalar field in weakly magnetized Ernst--Schwarzschild spacetime. In the separated regime, the K…
gr-qc2026
Scalar and vector bosons in a Bonnor-Melvin- spacetime: an exact Duffin-Kemmer-Petiau analysis
Francisco A. Cruz Neto, Luis B. Castro
We study scalar and vector bosons in the Bonnor--Melvin-- spacetime within the Duffin--Kemmer--Petiau (DKP) formalism. By employing Umezawa's projection operators, we separate t…