A Van Hove singularity in the topology critical point of bilayer hyperbolic metamaterials (Conference Presentation)

Vitally Pustovit; David Zelmon; Kurt Eyink; Augustine Urbas

doi:10.1117/12.2321048

17 September 2018 A Van Hove singularity in the topology critical point of bilayer hyperbolic metamaterials (Conference Presentation)

Vitally Pustovit, David Zelmon, Kurt Eyink, Augustine Urbas

Author Affiliations +

Proceedings Volume 10722, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVI; 107221A (2018) https://doi.org/10.1117/12.2321048
Event: SPIE Nanoscience + Engineering, 2018, San Diego, California, United States

Abstract

We study theoretically and numerically high density of states for hyperbolic bilayered metamaterials (HMM). It reveals that density response of HMMis reminiscent of Fermi electronic band structure of metal or semiconductors. By the method of Green function a van Hove type singularity is found in photonic density spectra of HMM with saddle point localization on photonic Fermi surface (FS) of metamaterial Similar to the electronic systems, the photonic FS close to Van Hove singularity experiences instabilities induced by the changes in volume fractions of its constituents that leads to the Lifshitz type zero-temperature phase transition between FS of types I and II hyperbolic states at the protected by topology critical point.

Conference Presentation

Citation Download Citation

Vitally Pustovit, David Zelmon, Kurt Eyink, and Augustine Urbas "A Van Hove singularity in the topology critical point of bilayer hyperbolic metamaterials (Conference Presentation)", Proc. SPIE 10722, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVI, 107221A (17 September 2018); https://doi.org/10.1117/12.2321048

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