Radiation by Moving Shells in Curved Two-Dimensional Space-Time : Astrophysics and Relativity
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概要
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We consider quantum field theory of conformally invariant field in the presence of a shell in a curved two-dimensional space-time. The renormalized expectation value of the stress tensor due to the field is known to be discontinuous at the shell. A formula is found to express the magnitude of the discontinuity in terms of the discontinuity of the scalar curvature and the acceleration of the shell. It is used to evaluate the energy flux by the shell, which is then compared to that by a moving mirror. It also leads to a physically lucid expression for the stress tensor especially when the shell divides the space-time into static portions.
- 理論物理学刊行会の論文
- 1988-03-25
著者
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Shizume K
Tohoku Univ. Sendai
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Takagi Shin
Department Of Anatomy Kyoto Prefectural University Of Medicine
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Shizume Kousuke
Department Of Physics Tohoku University
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Takagi Shin
Department of Physics, Tohoku University
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