Gravitational Collapse in Painleve-Gullstrand Coordinates(Astrophysics and Cosmology)
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概要
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We construct a simple expression for the spherical gravitational collapse in a single coordinate patch. To describe the dynamics of collapse, we use a generalized form of the Painleve-Gullstrand coordinates in the Schwarzschild spacetime. The time coordinate of the form is the proper time of a free-falling observer so that we can describe the collapsing star not only outside but also inside the event horizon in a single coordinate patch. We show the both cases corresponding to the gravitational collapse from infinity and from a finite radius.
- 2011-05-25
著者
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Hosoya Akio
Department Of Physics Tokyo Institute Of Technology
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Kanai Yuki
Department Of Physics Tokyo Institute Of Technology
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Siino Masaru
Department Of Physic Kyoto University
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Hosoya Akio
Department Of Physics Faculty Of Science Tokyo Institute Of Technology
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KANAI Yuki
Department of Physics, Tokyo Institute of Technology
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