Zobrazeno 1 - 10
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pro vyhledávání: '"Green, Michael D"'
We use the numerical continued fraction method to investigate quasinormal mode spectra of extremal and non-extremal Reissner-Nordstr\"om black holes in the low and intermediate damping regions. In the extremal case, we develop techniques that signifi
Externí odkaz:
http://arxiv.org/abs/2403.13074
We investigate the scalar, gravitational, and electromagnetic quasinormal mode spectra of Schwarzschild anti-de Sitter black holes using the numerical continued fraction method. The spectra have similar, almost linear structures. With a few exception
Externí odkaz:
http://arxiv.org/abs/2209.09324
Autor:
Bryant, Alex K, Lewy, Jacqueline R, Bressler, R Daniel, Chopra, Zoey, Gyori, Derek J, Bazzell, Brian G, Moeller, Julie A, Jacobson, Sofia I, Fendrick, A Mark, Kerr, Eve A, Ramnath, Nithya, Green, Michael D, Hofer, Timothy P, Vaishnav, Parth, Strohbehn, Garth W *
Publikováno v:
In The Lancet Oncology June 2024 25(6):802-810
Autor:
Daghigh, Ramin G., Green, Michael D.
We derive the equations for the odd and even parity perturbations of coupled electromagnetic and gravitational fields of a black hole with an electric charge within the context of general nonlinear electrodynamics. The Lagrangian density is a generic
Externí odkaz:
http://arxiv.org/abs/2106.01412
Autor:
Edwards, Donna M. *, Sankar, Kamya, Alseri, Aaren, Jiang, Ralph *, Schipper, Matthew *, Miller, Sean *, Dess, Kathryn *, Strohbehn, Garth W., Elliott, David A. *, Moghanaki, Drew, Ramnath, Nithya, Green, Michael D. *, Bryant, Alex K.
Publikováno v:
In International Journal of Radiation Oncology, Biology, Physics 15 March 2024 118(4):963-970
Publikováno v:
Phys. Rev. D 103, 084031 (2021)
We investigate the massless scalar field perturbations of a new loop quantum gravity motivated regular black hole proposed by Ashtekar {\it et al.} in [Phys.Rev.Lett. 121, 241301 (2018), Phys.Rev.D 98, 126003 (2018)]. The spacetime of this black hole
Externí odkaz:
http://arxiv.org/abs/2012.13359
Publikováno v:
Phys. Rev. D 102, 104040 (2020)
We investigate the massless scalar field perturbations, including the quasinormal mode spectrum and the ringdown waveform, of a regular black hole spacetime that was derived via the Loop Quantum Gravity inspired polymer quantization of spherical $4$D
Externí odkaz:
http://arxiv.org/abs/2009.02367
Publikováno v:
Phys. Rev. D 101, 104009 (2020)
It is known that approximating the Regge-Wheeler Potential with step functions significantly modifies the Schwarzschild black hole quasinormal mode spectrum. Surprisingly, this change in the spectrum has little impact on the ringdown waveform. We exa
Externí odkaz:
http://arxiv.org/abs/2002.07251
Akademický článek
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Autor:
Green, Michael D., Dalmage, Mahalia R., Lusk, Jay B., Kadhim, Emilie F., Skalla, Lesley A., O'Brien, Emily C.
Publikováno v:
In American Heart Journal April 2023 258:129-139