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Phoenix666 [soylentnews.org] writes:

For the first time, a new class of magnetic materials, called topological magnon (or magnetic wave) insulators, was revealed [phys.org]. This novel material can conduct magnetic waves (spin waves) along their edges, without conduction through the bulk material.

This novel material has possible applications to the field of spintronics, where spin currents could be exploited for energy-efficient technologies and information storage applications.

Electrons have two fundamental properties, charge and spin, generating such phenomena as electricity, magnetism, thermal conductivity, and superconductivity in materials. Materials with topological properties have novel charge or spin excitations on their surfaces or other boundaries. Such materials are of great interest for applications in renewable energy production and high-performance computers. Recently several classes of materials with different topological properties have been theoretically predicted and a few of them validated experimentally.

Wouldn't quantum computing trump all other forms, including photonics and spintronics?

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