1. Veselago, V. G., "The electrodynamics of substances with simultaneously negative values of ε and μ," Soviet Physics Uspeki, Vol. 10, 509-514, 1968.
doi:10.1070/PU1968v010n04ABEH003699
2. Pendry, J. B., "Negative refraction makes a perfect lens," Phys. Rev. Lett., Vol. 85, 3966-3969, 2000.
doi:10.1103/PhysRevLett.85.3966
3. Smith, D. R., W. J. Padilla, D. C. Vier, S. C. Nemat-Nasser, and S. Schultz, "Composite medium with simultaneously negative permeability and permittivity," Phys. Rev. Lett., Vol. 84, 4184-4187, 2000.
doi:10.1103/PhysRevLett.84.4184
4. Houck, A. A., J. B. Brock, and I. L. Chuang, "Experimental observations of a left-handed material that obeys Snell's law," Phys. Rev. Lett., Vol. 90, 137401, 2003.
doi:10.1103/PhysRevLett.90.137401
5. Shalaev, V. M., W. Cai, U. K. Chettiar, H.-K. Yuan, A. K. Sarychev, V. P. Drachev, and A. V. Kildishev, "Negative index of refraction in optical metamaterials," Opt. Lett., Vol. 30, 3356-3358, 2005.
doi:10.1364/OL.30.003356
5. Shalaev, V. M., W. Cai, U. K. Chettiar, H.-K. Yuan, A. K. Sarychev, V. P. Drachev, and A. V. Kildishev, "Negative index of refraction in optical metamaterials," Opt. Lett., Vol. 30, 3356-3358, 2005.
doi:10.1364/OL.30.003356
6. Padilla, W. J., A. J. Taylor, C. Highstrete, M. Lee, and R. D. Averitt, "Dynamical electric and magnetic metamaterial response at terahertz frequencies," Phys. Rev. Lett., Vol. 96, 107401, 2006.
doi:10.1103/PhysRevLett.96.107401
7. Huang, K. C., M. L. Povinelli, and J. D. Joannopoulos, "Negative effective permeability in polaritonic photonic crystals," Appl. Phys. Lett., Vol. 85, 543, 2004.
doi:10.1063/1.1775291
8. O'Brien, S. and J. B. Pendry, "Photonic band-gap effects and magnetic activity in dielectric composites," J. Phys.: Condens. Matter, Vol. 14, 4035-4044, 2002.
doi:10.1088/0953-8984/14/15/317
9. Wheeler, M. S., J. S. Aitchison, and M. Mojahedi, "Three-dimensional array of dielectric spheres with an isotropic negative permeability at infrared frequencies," Phys. Rev. B, Vol. 72, 193103, 2005.
doi:10.1103/PhysRevB.72.193103
10. Schuller, J. A., R. Zia, T. Taubner, and M. L. Brongersma, "Dielectric metamaterials based on electric and magnetic resonances of silicon carbide particles," Phys. Rev. Lett., Vol. 99, 107401, 2007.
doi:10.1103/PhysRevLett.99.107401
11. Peng, L., L. Ran, H. Chen, H. Zhang, J. A. Kong, and T. M. Grzegorczyk, "Experimental observation of left-handed behavior in an array of standard dielectric resonators," Phys. Rev. Lett., Vol. 98, 157403, 2007.
doi:10.1103/PhysRevLett.98.157403
12. Zhao, Q., L. Kang, B. Du, H. Zhao, Q. Xie, X. Huang, B. Li, J. Zhou, and L. Li, "Experimental demonstration of isotropic negative permeability in a three-dimensional dielectric composite," Phys. Rev. Lett., Vol. 101, 027402, 2008.
doi:10.1103/PhysRevLett.101.027402
13. Holloway, C. L., E. F. Kuester, J. B. Jarvis, and P. Kabos, "A double negative (DNG) composite medium composed of magnetodielectric spherical particles embedded in a matrix," IEEE Trans. Antennas Propag., Vol. 51, 2596-2603, 2003.
doi:10.1109/TAP.2003.817563
14. Vendik, I. B., O. G. Vendik, and M. S. Gashinova, "Artificial dielectric medium possessing simultaneously negative permittivity and magnetic permeability," Tech. Phys. Lett., Vol. 32, 429-433, 2006.
doi:10.1134/S106378500605018X
15. Dewar, G., "A thin wire array and magnetic host structure with n < 0," J. Appl. Phys., Vol. 97, 10Q101, 2005.
doi:10.1063/1.1846032
16. Chui, S. T. and L. B. Hu, "Theoretical investigation on the possibility of preparing left-handed materials in metallic magnetic granular composites," Phys. Rev. B, Vol. 65, 144407, 2002.
doi:10.1103/PhysRevB.65.144407
17. Born, M. and K. Huang, Dynamical Theory of Crystal Lattices, Clarendon Press, 1954.
18. Perry, C. H., B. N. Khanna, and G. Rupprecht, "Infrared studies of perovskite titanates," Phys. Rev., Vol. 135, A408-A412, 1964.
doi:10.1103/PhysRev.135.A408
19. Zelezny, V., E. Cockayne, J. Petzelt, M. F. Limonov, D. E. Usvyat, V. V. Lemanov, and A. A. Volkov, "Temperature dependence of infrared-active phonons in CaTiO.3: A combined spectroscopic and first-principles study," Phys. Rev. B, Vol. 66, 224303, 2002.
doi:10.1103/PhysRevB.66.224303
20. Bohren, C. F. and D. R. Huffman, Absorption and Scattering of Light by Small Particles, Wiley and Sons, 1983.
21. Smith, D. R., S. Schultz, P. Markos, and C. M. Soukoulis, "Determination of effective permittivity and permeability of metamaterials from reflection and transmission coefficients," Phys. Rev. B, Vol. 65, 195104, 2002.
doi:10.1103/PhysRevB.65.195104
22. Zhang, S., W. Fan, N. C. Panoiu, K. J. Malloy, R. M. Osgood, and S. R. J. Brueck, "Experimental demonstration of near-infrared negative-index metamaterials," Phys. Rev. Lett., Vol. 95, 137404, 2005.
doi:10.1103/PhysRevLett.95.137404
23. Loh, E., "Optical phonons in BeO crystals," Phys. Rev., Vol. 166, 673-678, 1968.
doi:10.1103/PhysRev.166.673
24. Zhao, Q., L. Kang, B. Li, and J. Zhou, "Tunable negative refraction in nematic liquid crystals," Appl. Phys. Lett., Vol. 89, 221918, 2006.
doi:10.1063/1.2399345