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A toy model of hyperboloidal approach to quasinormal modes

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arxiv 2002.01770 v1 pith:R2AULPM7 submitted 2020-02-05 gr-qc

Piotr Bizoń , Tadeusz Chmaj , Patryk Mach This is my paper · ORCID
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keywords hyperboloidalmodesquasinormaladvantagesanalysisapproachconsiderdimensional
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We consider a scalar field propagating in the static region of the two dimensional de Sitter space. This simple system is used to illustrate the advantages of hyperboloidal foliations in the analysis of quasinormal modes.

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  1. Quasi-normal mode expansions of black hole perturbations: a hyperboloidal Keldysh's approach

    gr-qc 2024-12 conditional novelty 6.0 of 10

    A Keldysh spectral expansion built on dual pairings reproduces black hole quasinormal-mode time series, including Schwarzschild power-law tails, and supplies H^p pseudospectral and transient-growth tools.

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