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Theory of quantum transport in Josephson junctions with a ferromagnetic insulator
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10.1063/1.3515524
/content/aip/journal/ltp/36/10/10.1063/1.3515524
http://aip.metastore.ingenta.com/content/aip/journal/ltp/36/10/10.1063/1.3515524
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The density of states for the two spin directions in a ferromagnetic insulator, e.g., LBCO. is the exchange splitting and 8t is the band width.

Image of FIG. 2.
FIG. 2.

A schematic illustration of a Josephson junction through a ferromagnetic insulator in a two-dimensional tight-binding lattice model.

Image of FIG. 3.
FIG. 3.

A phase diagram in the and plane for FM and FI . The black and white regions correspond to - and 0-junctions, respectively.

Image of FIG. 4.
FIG. 4.

A schematic illustration of a c-axis stack high- superconductor/LBCO/high-Tc superconductor Josephson junction (a) and a high- ring which can be used in experimental observations of -junctions (b).

Image of FIG. 5.
FIG. 5.

The Josephson critical current as a function of the FI thickness at for a c-axis stack LSCO/LBCO/LSCO junction with , , and . The large (small) circles indicate a -junction.

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/content/aip/journal/ltp/36/10/10.1063/1.3515524
2010-12-10
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Theory of quantum transport in Josephson junctions with a ferromagnetic insulator
http://aip.metastore.ingenta.com/content/aip/journal/ltp/36/10/10.1063/1.3515524
10.1063/1.3515524
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