The mathematica nb computes the frequency spectra for a scalar field (Klein-Gordon field) on a Kerr background. Two kinds of solutions arise: quasinormal modes (diverging at infinity) and bound states (decaying to zero at infinity). The frequencies are computed using the continued fraction method (https://royalsocietypublishing.org/doi/10.1098/rspa.1985.0119). The plots are organized according to https://arxiv.org/abs/0705.2880
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Mathematica notebook to compute quasinormal and bound states of a Klein-Gordon field on Kerr background using the continued fraction method
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vedantdhruv96/superradiance_modes
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Mathematica notebook to compute quasinormal and bound states of a Klein-Gordon field on Kerr background using the continued fraction method
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