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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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Synopsis

Thin-Skinned Insulators

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Published October 13, 2011
Researchers discover a subtle proximity effect at the interface between a normal metal and an antiferromagnetic insulator.
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Spinning on Ice

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Rajiv R. P. Singh, Physics 4, 77 (2011) – Published October 3, 2011
A form of quantum electrodynamics emerges from interacting spins at low temperatures in the spin ice Yb2Ti2O7.
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Quantum liquids move to a higher dimension

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Tameem Albash and Stephan Haas, Physics 4, 62 (2011) – Published August 8, 2011
A spin model on a honeycomb lattice points to a much sought after type of quantum spin liquid: the Bose metal.
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Synopsis

Majorana fermions from topological insulator and superconductor junctions

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Published February 16, 2010
Unconventional superconductors in the proximity of a topological insulator exhibit zero-energy Majorana surface states.
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Synopsis

Challenge to a dual

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Published June 15, 2009
The finding of a new duality theory could contribute to solving problems in quantum magnetism.