Matrix method for perturbed black hole metric with discontinuity

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorZhejiang Guangsha Vocational and Technical University of Construction-
Autor(es): dc.contributorFujian University of Technology-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorYangzhou University-
Autor(es): dc.contributorChina University of Geosciences-
Autor(es): dc.contributorHuazhong University of Science and Technology-
Autor(es): dc.contributorChongqing University of Posts and Telecommunications-
Autor(es): dc.creatorShen, Shui-Fa-
Autor(es): dc.creatorQian, Wei-Liang-
Autor(es): dc.creatorLin, Kai-
Autor(es): dc.creatorShao, Cheng-Gang-
Autor(es): dc.creatorPan, Yu-
Data de aceite: dc.date.accessioned2025-08-21T22:23:36Z-
Data de disponibilização: dc.date.available2025-08-21T22:23:36Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2022-11-16-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1088/1361-6382/ac95f1-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/246308-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/246308-
Descrição: dc.descriptionRecent studies based on the notion of black hole pseudospectrum indicated substantial instability of the fundamental and high-overtone quasinormal modes (QNMs). Besides its theoretical novelty, the details about the migration of the QNM spectrum due to specific perturbations may furnish valuable information on the properties of associated gravitational waves in a more realistic context. This work generalizes the matrix method for black hole QNMs to cope with a specific class of perturbations to the metric featured by discontinuity, which is known to be intimately connected with the QNM structural instability. In practice, the presence of discontinuity poses a difficulty so that many well-known approaches for QNMs cannot be straightforwardly applied. By comparing with other methods, we show that the modified matrix method is efficient, which can be used to solve for the low-lying modes with reasonable precision. Therefore, it might serve as an alternative gadget for relevant studies.-
Descrição: dc.descriptionSchool of intelligent manufacturing Zhejiang Guangsha Vocational and Technical University of Construction, Zhejiang-
Descrição: dc.descriptionSchool of Electronic Electrical Engineering and Physics Fujian University of Technology, Fujian-
Descrição: dc.descriptionEscola de Engenharia de Lorena Universidade de São Paulo, SP-
Descrição: dc.descriptionFaculdade de Engenharia de Guaratinguetá Universidade Estadual Paulista, SP-
Descrição: dc.descriptionCenter for Gravitation and Cosmology School of Physical Science and Technology Yangzhou University, Jiangsu-
Descrição: dc.descriptionHubei Subsurface Multi-scale Imaging Key Laboratory Institute of Geophysics and Geomatics China University of Geosciences, Hubei-
Descrição: dc.descriptionMOE Key Laboratory of Fundamental Physical Quantities Measurement Hubei Key Laboratory of Gravitation and Quantum Physics PGMF School of Physics Huazhong University of Science and Technology, Hubei-
Descrição: dc.descriptionCollege of Science Chongqing University of Posts and Telecommunications-
Descrição: dc.descriptionFaculdade de Engenharia de Guaratinguetá Universidade Estadual Paulista, SP-
Idioma: dc.languageen-
Relação: dc.relationClassical and Quantum Gravity-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectblack hole-
Palavras-chave: dc.subjectdiscontinuity-
Palavras-chave: dc.subjectmatrix method-
Palavras-chave: dc.subjectperturbation-
Palavras-chave: dc.subjectpseudospectrum-
Palavras-chave: dc.subjectquasinormal modes-
Título: dc.titleMatrix method for perturbed black hole metric with discontinuity-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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