Collision of "metamaterial universes": experimental realization of Minkowski domain wall

Details Collision of "metamaterial universes": experimental realization of Minkowski domain wall Collision of "metamaterial universes": experimental realization of Minkowski domain wall

2012-01-25

arxiv.org/abs/1201.5348v1

Physics

Optics

16 pages, 4 figures

Scientific paper

Minkowski domain walls are being actively considered in gravitation theory. They may form during a vacuum phase transition, or as a result of braneworld collision. Despite having interesting physical properties, Minkowski domain walls had remained in the theoretical domain only since their first introduction a few decades ago. Here we report the first experimental realization of a Minkowski domain wall in a three dimensional effective Minkowski spacetime, which is experienced by extraordinary photons in hyperbolic metamaterials. We analyze electromagnetic field behavior at the wall, and present a simple experimental model of Minkowski domain wall formation due to "collision" of two "metamaterial universes".

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