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qnm: Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients calculator

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Ada Coda
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qnm: Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients calculator

Postby Ada Coda » Fri Nov 01, 2019 2:30 am

qnm: Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients calculator

Abstract: qnm computes the Kerr quasinormal mode frequencies, angular separation constants, and spherical-spheroidal mixing coefficients. The qnm package includes a Leaver solver with the Cook-Zalutskiy spectral approach to the angular sector, and a caching mechanism to avoid repeating calculations. A large cache of low ℓ, m, n modes is available for download and can be installed with a single function call and interpolated to provide good initial guess for root-polishing at new values of spin.

Credit: Stein, Leo C.

Site: http://doi.org/10.5281/zenodo.3459790
https://ui.adsabs.harvard.edu/abs/2019arXiv190608789O

Bibcode: 2019ascl.soft10022S

Preferred citation method: https://ui.adsabs.harvard.edu/abs/2019JOSS....4.1683S

ID: ascl:1910.022

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