[1] Blandford R D and Znajek R L 1977 Mon. Not. R. Astron. Soc. 179 433
[2] Blandford R D and Payne D G 1982 Mon. Not. R. Astron. Soc. 199 883
[3] Narayan R and Yi I 1995 Astrophys. J. 452 710
[4] Meier D L 2001 Astrophys. J. 548 L9
[5] Cao X W 2003 Astrophys. J. 599 147
[6] Gong X L and Wang D X 2005 Chin. Phys. Lett. 22 1293
[7] Benson A J and Babul A 2009 Mon. Not. R. Astron. Soc. 397 1302
[8] Popham R and Gammie D G 1998 Astrophys. J. 504 419
[9] Romanova M M, Ustyugova G V, Koldoba A V et al 1998 Astrophys. J. 500 703
[10] Tout C A and Pringle J E 1996 Mon. Not. R. Astron. Soc. 281 219
[11] Gong X L, Li L X and Ma R Y 2012 Mon. Not. R. Astron. Soc. 420 1415
[12] Gong X L and Li L X 2012 Sci. Chin. Phys. Mech. Astron. 55 880
[13] Novikov I D and Thorne K S 1973 Black Holes (New York: Gordon and Breach)
[14] Macdonald D and Thorne K S 1982 Mon. Not. R. Astron. Soc. 198 345
[15] Gong X L, Wang D X and Ye Y C 2004 Chin. Phys. Lett. 21 1861
[16] Thorne K S, Price R H and Macdonald D A 1986 Black Holes: The Membrane Paradigm (New Haven: Yale University Press)
[17] Biretta J A, Junor W and Livio, M 2002 New Astron. Rev. 46 239
[18] Beckwith K, Hawley J F and Krolik J H 2008 Astrophys. J. 678 1180