• [1]

    Li Xinzhou, Phys. Lett:, 220B(1989), 509.[2] Li Xinzhou, et a1., Phys. Lett., 201B(1988), 34.[3] Li Xinzhou, et al., Gen. Rel. Grav., 20(1988), 1087.[4] S. Randjbar-Daemi, A. Salam and J. Strathdee, Phys, Lett., 1248(1983), 345.[5] P. H. Frampton and K. Yamamo, Phys. Rev. lett., 52(1984), 2016.[6] 刘棋,李新洲,徐建军,高能物理与核物理,13(1989),985.[7] H. Georgi, Nucl. Phys., B156(1979), 126.[8] J. B. Hartle and S. W. Hawking, Phys. Rev., D28(1983), 2960.[9] B. S. DeWitt, Phys. Rev., 160(1967), 1113; C. W. Misner, Phys. Rev., 186(1969), 1319.[10] 7,. C. Wu, Phys. Lett., 148B(1984), 307.[11] J. J. Halliwell, Nucl. Phys., B266(1986), 228; B286(1987), 729.[12] Zhong Yu and Li Xinzhou, Phys. Rev., D42(1990), 712.[13] S. W. Hawking and D. N. Page, Nucl. Phys., B264(1985), 185.[14] M. S. Turner, Phys. Rev., D28(1983), 1243.