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由于黑洞具有Hawking辐射,它对时空必有影响(所谓反作用).结合用热力学方法研究黑洞反作用问题所得结果.应用求解考虑辐射场存在时的半经典爱因斯坦场方程.得出考虑Hawking蒸发对Schwarzschild时空反作用后的静态球对称度规.由此所得一切物理结论都是自洽的.For the black hole having Hawking radiation, it must have effect on the space-time metric (the so-called back-reaction). By combination of the result from themodynamical approach with the back-reaction of the black hole and the semiclassical Einstein equation, we get the modified Schwarzschild space-time metric. This method is much more simple and convenient than that of Jork's.
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