Diamagnetic Response of Metallic Photonic Crystals at Infrared and Visible Frequencies

Xinhua Hu,1 C. T. Chan,2 Jian Zi,3 Ming Li,1 and Kai-Ming Ho1

1Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
2Department of Physics, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
3Surface Physics Laboratory (National Key Lab), Fudan University, Shanghai 200433,

We show analytically and numerically that diamagnetic response (effective magnetic permeability miu_e <>