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Synopsis

The Beat that Tells of Spin-Ice Monopoles

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Published March 11, 2013
The excitation spectrum of artificial spin ices can be used to identify defects that behave as magnetic monopoles.
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Viewpoint

Metals Get an Awkward Cousin

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Ribhu K. Kaul, Physics 5, 82 (2012) – Published July 23, 2012
A newly predicted state of matter is a simple theoretical example of a phase that conducts electricity but is not smoothly connected to our conventional model of metals.
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Viewpoint

The Choreographer of a Most Unusual Electron Dance

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Neepa T. Maitra, Physics 5, 79 (2012) – Published July 16, 2012
A new approach to finding the electronic potentials in density-functional theory—one of the most important computational tools in condensed matter and quantum chemistry—is proposed.