* Corresponding Author
Tinjauan Singularitas Ruang-waktu dalam Teori Relativitas Umum menggunakan Software Maxima
https://doi.org/10.22146/jfi.v22i1.53836 Ibnu Jihad(1*), Devy Pramudyah Wardhani(2), Muhammad Farchani Rosyid(3)
(1) Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada
(2) Departemen Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Gadjah Mada, Yogyakarta, Indonesia
(3) Departemen Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Gadjah Mada, Yogyakarta, Indonesia
(*) Corresponding Author
Abstract
Singularitas ruang-waktu pada teori relativitas umum telah ditinjau. Definisi singularitas telah diperjelas menggunakan kriteria singularitas berdasarkan skalar Kretschmann. Letak Daerah singularitas pada tiga jenis ruang-waktu pun telah diketahui berdasarkan perhitungan skalar Kretschmann menggunakan software gratis Maxima yang sangat mempermudah perhitungannya. Tiga jenis ruang-waktu itu adalah ruang-waktu bermetrik Schwarzschild, ruang-waktu bermetrik Reissner-Nordstorm, serta ruang-waktu bermetrik Robertson-Walker dengan model alam semesta Einstein-de Sitter.
Keywords
singularitas ruang-waktu, lubang-hitam, jejari Schwarschild, skalar Kretschmann
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DOI: https://doi.org/10.22146/jfi.v22i1.53836
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