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Friedmann universe as a limit of dust shell model |
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| Authors: | A Eid J Langer |
| Institution: | 1. Astronomy Department, Faculty of Science, Cairo University, Giza, Egypt 2. Department of Physics, College of Science, Al-Imam Muhammed Ibn Saud Islamic University, Riyadh, Kingdom of Saudi Arabia 3. Institute of Theoretical Physics, Faculty of Math and Physics, Charles University, V. Holesovickach 2, 180 00, Prague, Czech Republic |
| Abstract: | We generalize the equations of motion of a shell for a sequence of thin shells and derive the general form of the expansion law of the dust shell model which represents the FRW universe when we take an appropriate limit. The three Friedmann model for the three possible values of k:0,±1 are satisfied. |
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