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A Semi-analytic Study of Axial Perturbations of Ultra Compact Stars
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Compact object perturbations, at linear order, often lead in solving one or more coupled wave equations. The study of these equations was typically done by numerical or semi-analytical methods. The WKB method and the associated Bohr-Sommerfeld rule have been proved extremely useful tools in the study of black-hole perturbations and the estimation of the related quasi-normal modes. Here we present an extension of the aforementioned semi-analytic methods in the study of perturbations of ultra-compact stars and gravastars.
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Cited by 2 Pith papers
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Quantization Rules in Holographic QCD Models
A generalized WKB/Bohr-Sommerfeld quantization rule is derived for holographic QCD potentials with an infinite boundary barrier and applied to scalar and vector fields in the soft-wall model, matching shooting-method ...
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