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本文证明,在一类稳态黎曼时空中,只要存在静电场或引力拖曳,就一定会象Kerr-Newman时空一样,在视界附近出现狄拉克真空的正负能级交错,并产生非热辐射。In this paper, it is proved that the crossing of the positive and negative energy levels must occur, and the. nonthermal radiations also must be generated near a horizon irrespective of the detailed form of the metric when there exists static electromagnetic field or "dragging movement" of the space by the gravitational field near the horizon.
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