Wednesday, January 10, 2018

Four-dimensional physics in two dimensions

01/10/2018 12:36 PM EST

light passing through a 2-D waveguide array

For the first time, physicists have built a 2-D experimental system that allows them to study the physical properties of materials theorized to exist only in 4-D space. An international team of researchers demonstrated that the behavior of particles of light can be made to match predictions about the 4-D version of the "quantum Hall effect" -- a phenomenon at the root of three Nobel Prizes in physics -- in a 2-D array of "waveguides." 


Full story at http://science.psu.edu/news-and-events/2018-news/Rechtsman1-2018

Source
The Pennsylvania State University


This is an NSF News From the Field item.


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