This is a very good review of a new PRB paper that explores a new possibility for the iron pnictides superconductors. This has become one of the hottest (notice the irony) area in condensed matter physics, not just because this is new and everyone wants to be the first to look at it from a certain angle, but because of the possibility that it provides a new insight into the cuprate superconductors.
The review provides a very good intro to the differences between the two families of superconductors, AND, of course, a free access to the paper being reviewed.
Zz.
The paper being reviewed to be found here...:)
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