The quasinormal modes (QNM) or resonant excitations of the 't Hooft-Polyakov monopole was studied. It was shown that the Bogomol'nyi-Prasad- sommerfield (BPS) monopole admitted an infinite number of QNM. It was shown that the modes were eigenfunctions of the isospin 1 perturbation equations with complex eigenvalues, En = ωn-iγn. It was demonstrated that the QNM of the monopole lead to a universal late time behavior of the perturbed monopole bgy giving rise collectively to a quasiperiodic, long living excitation.
ASJC Scopus subject areas
- Physics and Astronomy(all)