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Designing phase-sensitive tests for Fe-based superconductors
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10.1063/1.4788720
/content/aip/journal/apl/102/3/10.1063/1.4788720
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/3/10.1063/1.4788720

Figures

Image of FIG. 1.
FIG. 1.

Suggested experimental designs of Josephson -loops: epitaxial sandwich (left); rough sandwich (middle); single sample (right).

Image of FIG. 2.
FIG. 2.

Calculated transport function, for the hole-doped (left panel) and electron-doped (right panel) BaFe2As2. Calculation for the electron-doped case was self-consistent in the virtual crystal approximation for the 10% Co doping and the rigid band approximation used around this composition. Similarly, the hole-doped composition was self-consistent for the 40% K doping and the rigid bands used thereafter.

Tables

Generic image for table
Table I.

Three suggested designs for probing the relative phases of the order parameter in Fe-based superconductors. A tunneling barrier here is assumed to be thick enough to filter through the “tunneling cone” effect only the states near the zone center (holes), while a point contact is supposed to collect current in all directions and thus be dominated by the majority carriers. The sign of the order parameter is selected in such a way that the current through the left (upper) contact is always considered positive.

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/content/aip/journal/apl/102/3/10.1063/1.4788720
2013-01-22
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Designing phase-sensitive tests for Fe-based superconductors
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/3/10.1063/1.4788720
10.1063/1.4788720
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