News and Events
Type one-and-a-half?
March 2009
You have heard of superconductors of Type I and of Type II. The first of these expel magnetic fields entirely when they superconduct, which is the so-called Meissner effect. The second - within some regime of field and temperature - admit magnetic fields in quantized vortices. Some years ago, UMass theorist
Egor Babaev
predicted more exotic possibilities
that did not fit into this neat dichotomy. In a recent paper in Phys Rev Letters, a team of experimenters in Leuven and Zurich report the discovery of a superconducting material with some of these new possibilities. You can find popular accounts of this new discovery, along with descriptions of Egor's original work at
PhysicsWeb and
Science magazine.
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