McCauley, Alexander P., Rongkuo Zhao, M. T. Homer Reid, Alejandro W. Rodriguez, Juangfeng Zhuo, F. S. S. Rosa, J. D. Joannopoulos, D. A. R. Dalvit, Costas M. Soukoulis, and Steven G. Johnson. 2010. “Microstructure Effects for Casimir Forces in Chiral Metamaterials”. PRB 82: 165108. Referenced from prb.aps.org: Microstructure effects for Casimir forces in chiral metamaterials.