5 [13] J. M. Vigoureux, J. Opt. Soc. Am A 8 , 1697 ((1991); ibid 9 , 1313 (1992). [14] C. C. Katsidis and D. I. Siapkas, Appl. Opt. 41 , 3978 (2002). [15] Equation (12) can be regarded as a generalization of the Stokes relation, Eq. (17), to multilayered systems. See also J. M. Vigoureux and R. Giust, Opt. Commun. 176 , 1 (2000). [16] R. J. Potton, Rep. Prog. Phys. 67 , 717 (2004). [17] This algorithm was formulated upon the referee’s sugges- tion. [18] S. A. Ellingsen and I. Brevik, J. Phys. A: Math. Theor. 40 , 3643 (2007). [19] R. Esquivel, C. Villarreal and W. L. Mochan, Phys. Rev. A 68 , 052103 (2003). [12] V. A. Parsegian, Van der Waals Forces (Cambridge Uni- versity, Cambridge, 2005). [11] M. S. Tomaˇs, Phys. Rev. A 66 , 052103 (2002). [10] F. Zhou and L. Spruch, Phys. Rev. A 52 (1995) 297. [9] M. S. Tomaˇs, Phys. Rev. A 51 , 2545 (1995). [8] F. De Martini, M. Marrocco, P. Mataloni et al ., Phys. Rev. A 43 , 2480 (1991). [7] G. W. Ford and W. H. Weber, Phys. Rep. 113 , 195 (1984). [6] O. H. Crawford, J. Chem. Phys. 89 , 6017 (1988). [5] C. E. Reed, J. Giergiel, J. C. Hemminger, and S. Ushioda, Phys. Rev. B 36 , 4990 (1987). [4] W. Lukosz, J. Opt. Soc. Am 71 , 744 (1981). [3] R. R. Chance, A. Prock, and R. Silbey, Adv. Chem. Phys. 37 , 1 (1978). [2] W. C. Chew, Waves and Fields in Inhomogeneous Media (IEEE, New York, 1995).