Certain plasmonic and derived systems such as hyperbolic metamaterials promise large and broadband enhancements of the photonic density of states which, in turn, lead to corresponding enhancements of light-matter interaction. In this talk, recent theoretical advances regarding the most simple settings, i.e., planar materials and one- and zero-photon effects (spontaneous emission, Casimir-Polder force, and quantum friction) will be discussed with an emphasis regarding the appropriateness of different material models [1,2] and the validity of certain approximation schemes such as the Markov and the local thermal equilibrium approximation [3,4,5]. [1] F. Intravaia and K. Busch, Phys. Rev. A 91, 053836 (2015) [2] D. Reiche et al., submitted [3] F. Intravaia et al., Phys. Rev. Lett. 117, 100402 (2016) [4] F. Intravaia et al., Phys. Rev. A 94, 042114 (2016) [5] D. Reiche et al., submitted

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Kurt Busch, "Light-matter interaction in planar plasmonic and metamaterial systems: equilibrium and non-equilibrium effects (Conference Presentation)," Proc. SPIE 10227, Metamaterials XI, 1022707 (Presented at SPIE Optics + Optoelectronics: April 26, 2017; Published: 8 June 2017); https://doi.org/10.1117/12.2269074.5463341880001.