- 
								[1]
								J. S. Schwinger, Physical Review Letters, 82:664(1951) 
- 
								[2]
								I. K. Affleck and N. S. Maton, Nuclear Phys. B, 194:38(1982) 
- 
								[3]
								J. M. Maldacena, Adv. Theor. Math. Phys., 2:231(1998) 
- 
								[4]
								S. S. Gubser, I. R. Klebanov, and A. M. Polyakov, Phys. Lett. B, 428:105(1998) 
- 
								[5]
								O. Aharony, S. S. Gubser, J. Maldacena, H. Ooguri, and Y. Oz, Phys. Rep., 323:183(2000) 
- 
								[6]
								G. W. Semenoff and K. Zarembo, Phys. Rev. Lett., 107:171601(2011), hep-th/1109.2920 
- 
								[7]
								Y. Sato and K. Yoshida, JHEP, 1308:002(2013) 
- 
								[8]
								Z-q Zhang et al, Advance in High Energy Physics, 2016 9258106(2016) 
- 
								[9]
								D. Kawai, Y. Sato, and K. Yoshida, Internat. J. Modern Phys. A, 30:1530026(2015) 
- 
								[10]
								M. R. Douglas and S. Kachru, Rev. Modern Phys., 79:733(2007) 
- 
								[11]
								Z-q Zhang et al, Annals of Physics, 382:1-10(2017) 
- 
								[12]
								P. K. Kovtun, D. T. Son, and A O Starinets, Phys. Rev. Lett., 94:111601(2005) 
- 
								[13]
								M. T. Grisaru and D. Zanon, Phys. Lett. B, 177:347(1986) 
- 
								[14]
								M. D. Freeman, C. N. Pope, M. F. Sohnius, and K. S. Stelle, Phys. Lett. B, 178:199(1986) 
- 
								[15]
								Q. H. Park and D. Zanon, Phys. Rev. D, 35:4038(1987) 
- 
								[16]
								D. J. Gross and E. Witten, Nucl. Phys. B, 277:1(1986) 
- 
								[17]
								S. S. Gubser, I. R. Klebanov, and A. A. Tseytlin, Phys. Rev. B, 534:202(1998) 
- 
								[18]
								S. Grozdanov, N. Kaplis, and A. O. Starinets, JHEP, 07:151(2016) 
- 
								[19]
								A. Buchel, R. C. Myers, M. F. Paulos et al, Physics Letters B, 669:364(2008) 
- 
								[20]
								K. B. Fadafan and S. K. Tabatabaei, J. Phys. G:Nucl. Part. Phys., 43:095001(2016) 
- 
								[21]
								J. Pawelczyk and S. Theisen, JHEP, 09:010(1998) 
- 
								[22]
								A. Buchel, J. T. Liu, and A. O. Starinets, Nucl. Phys. B, 707:56(2005) 
- 
								[23]
								A. Buchel, Nucl. Phys. B, 803:166(2008) 
- 
								[24]
								R. C. Myers, M. F. Paulos, and A. Sinha, Phys. Rev. D, 79:041901(2009) 
- 
								[25]
								B. Zwiebach, A. First Course in String Theory, (Cambridge University Press, 2004) 
- 
								[26]
								Y. Sato and K. Yoshida, JHEP, 1309:134(2013) 
- 
								[27]
								D. Kawai, Y. Sato, and K. Yoshida, Phy. Rev. D, 89:101901(2014)