The back reaction in Vaidya-Schwarzschild-deSitter spacetime is discussed. It influences location and temperature of both the black-hole event horizon and the cosmological one.

• 本文采用一种传统的方法,对Vaidya-Schwarzschild-de Sitter时空进行研究,在考虑反作用的情况下,讨论表观视界、类时极限面和事件视界的位置,以及修正后的Hawking辐射温度。