New paper with Amr Helmy’s group on the theory of hyperbolic nanostructures for surface enhanced Raman scattering published in Phys Rev B: Herman M. K. Wong, Mohsen Kamandar Dezfouli, Simon Axelrod, Stephen Hughes, and Amr S. Helmy, Theory of hyperbolic stratified nanostructures for surface-enhanced Raman scattering, Phys Rev B 96, 205112 (2017).