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July 31, 2011

Metamaterials used to mimic the Big Crunch

Experimental observation of the “end of time event” in a plasmonic hyperbolic metamaterial illuminated with 488 nm light.

Arxiv - Hyperbolic metamaterial interfaces: Hawking radiation from Rindler horizons and the "end of time"

Extraordinary rays in a hyperbolic metamaterial behave as particle world lines in a three dimensional (2+1) Minkowski spacetime. We analyze electromagnetic field behavior at the boundaries of this effective spacetime depending on the boundary orientation. If the boundary is perpendicular to the space-like direction in the metamaterial, an effective Rindler horizon may be observed which produces Hawking radiation. On the other hand, if the boundary is perpendicular to the time-like direction an unusual physics situation is created, which can be called "the end of time". It appears that in the lossless approximation electromagnetic field diverges at the interface in both situations. Experimental observations of the "end of time" using plasmonic metamaterials confirm this conclusion.

21 page paper



In conclusion, we have examined metamaterial optics at the boundaries of hyperbolic metamaterials. If the boundary is perpendicular to the space-like direction in the metamaterial, an effective Rindler horizon may be observed, which produces Hawking radiation. On the other hand, if the boundary is perpendicular to the time-like direction an unusual physics situation is created, which can be called “the end of time”. It appears that in the lossless approximation electromagnetic field diverges at the interface in both situations. Experimental observations of the “end of time” using plasmonic metamaterials confirm this conclusion.

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