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IPM
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YEARS OLD

“School of Astronomy”

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Paper   IPM / Astronomy / 15964
School of Astronomy
  Title:   Optical Aharonov-Bohm effect due to toroidal moment inspired by general relativity
  Author(s): 
1.  A. Besharat
2.  M. Miri
3.  M. Nouri-Zonoz
  Status:   Published
  Journal: Journal of Physics Communications
  Year:  2019
  Supported by:            ipm IPM
  Abstract:
Westudy the analogy between propagation of light rays in a stationary curved spacetime and in a toroidal (meta-)material. After introducing a novel gravitational analog of the index of refraction of a magneto-electric medium, it is argued that light rays not only feel a Lorentz-like force in a magnetoelectric medium due to the non-vanishing curl of the toroidal moment, but also there exists an optical analog of Aharonov–Bohm effect for the rays traveling in a region with a curl-free toroidal moment. Experimental realization of this effect could utilize either a multiferroic material or a toroidal metamaterial.

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