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Experimental observation of roton-like dispersion relations in metamaterials

Previously, rotons were observed in correlated quantum systems at low temperatures, including superfluid helium and Bose-Einstein condensates. Here, following a recent theoretical proposal, we report the direct experimental observation of roton-like dispersion relations in two different three-dimens...

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Detalles Bibliográficos
Autores principales: Iglesias Martínez, Julio Andrés, Groß, Michael Fidelis, Chen, Yi, Frenzel, Tobias, Laude, Vincent, Kadic, Muamer, Wegener, Martin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Association for the Advancement of Science 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8635434/
https://www.ncbi.nlm.nih.gov/pubmed/34851658
http://dx.doi.org/10.1126/sciadv.abm2189