scholarly journals Impurity-Induced Bound States and Proximity Effect in a Bilayer Exciton Condensate

2010 ◽  
Vol 104 (16) ◽  
Author(s):  
Yonatan Dubi ◽  
Alexander V. Balatsky
Keyword(s):  
Proximity Effect ◽  
Bound States ◽  
Exciton Condensate

scholarly journals Anomalous Proximity Effect in Gold Coated (110)YBa2Cu3O7−δFilms: Penetration of the Andreev Bound States

2004 ◽  
Vol 93 (15) ◽  
Author(s):  
Itay Asulin ◽  
Amos Sharoni ◽  
Ofer Yulli ◽  
Gad Koren ◽  
Oded Millo
Keyword(s):  
Proximity Effect ◽  
Bound States ◽  
Andreev Bound States

scholarly journals Spin-triplet supercurrents in Josephson junctions containing strong ferromagnetic materials

2018 ◽  
Vol 376 (2125) ◽  
pp. 20150150 ◽  
Author(s):  
Norman O. Birge
Keyword(s):  
Proximity Effect ◽  
Josephson Junctions ◽  
Bound States ◽  
Ferromagnetic Material ◽  
Ferromagnetic Materials ◽  
Normal Metal ◽  
Pair Correlations ◽  
Spin Singlet ◽  
Triplet Pair ◽  
Spin Triplet

The proximity effect between a superconducting material and a non-superconducting normal metal can extend over distances of the order of micrometres at sufficiently low temperatures. If the normal metal is replaced by a ferromagnetic material, the spatial extent of the proximity effect drops precipitously due to the exchange splitting between the majority and minority spin bands in the ferromagnet. In 2001, several theorists predicted that spin-triplet pair correlations could be induced in proximity systems involving multiple ferromagnetic materials (or multiple domains in one material) with non-collinear magnetizations. Such spin-triplet pair correlations should extend deep into the ferromagnet, producing a long-range proximity effect. In this paper, we review our experimental work in this area, which has focused primarily on Josephson junctions containing strong ferromagnetic materials. We show that Josephson junctions containing particular combinations of strong ferromagnetic materials can carry spin-triplet supercurrent over distances of at least several tens of nanometres, whereas spin-singlet supercurrent in similar samples decays over a length scale of about 1 nm. We also mention important work by other groups; however, this article is not intended to be a review of the whole field. This article is part of the theme issue ‘Andreev bound states’.

Recent Radiative and Collisional Atomic Data of Astrophysical Interest

1988 ◽  
Vol 102 ◽  
pp. 129-132
Author(s):  
K.L. Baluja ◽  
K. Butler ◽  
J. Le Bourlot ◽  
C.J. Zeippen
Keyword(s):  
Mass Production ◽  
Bound States ◽  
Physical Models ◽  
Impact Excitation ◽  
Electron Impact Excitation ◽  
Atomic Data ◽  
Isoelectronic Sequence ◽  
Astrophysical Interest ◽  
Radiative Transitions ◽  
Forbidden Transitions

SummaryUsing sophisticated computer programs and elaborate physical models, accurate radiative and collisional atomic data of astrophysical interest have been or are being calculated. The cases treated include radiative transitions between bound states in the 2p4and 2s2p5configurations of many ions in the oxygen isoelectronic sequence, the photoionisation of the ground state of neutral iron, the electron impact excitation of the fine-structure forbidden transitions within the 3p3ground configuration of CℓIII, Ar IV and K V, and the mass-production of radiative data for ions in the oxygen and fluorine isoelectronic sequences, as part of the international Opacity Project.

Reversing the Proximity Effect in Civil Trials

2013 ◽  
Author(s):  
Kimberly Schweitzer ◽  
Scott Freng ◽  
Sean McCrea
Keyword(s):  
Proximity Effect ◽  
Civil Trials
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