Does a magnetic barrier or a magnetic-electric barrier structure possess any spin polarization and spin filtering under zero bias?

2001 ◽  
Vol 79 (19) ◽  
pp. 3119-3121 ◽  
Author(s):  
H. Z. Xu ◽  
Y. Okada
Keyword(s):  
Spin Polarization ◽  
Barrier Structure ◽  
Zero Bias ◽  
Magnetic Barrier ◽  
Electric Barrier ◽  
Spin Filtering

Spin filtering in a magnetic–electric barrier structure

2001 ◽  
Vol 78 (15) ◽  
pp. 2184-2186 ◽  
Author(s):  
G. Papp ◽  
F. M. Peeters
Keyword(s):  
Barrier Structure ◽  
Electric Barrier ◽  
Spin Filtering

scholarly journals Topological isoconductance signatures in Majorana nanowires

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
L. S. Ricco ◽  
J. E. Sanches ◽  
Y. Marques ◽  
M. de Souza ◽  
M. S. Figueira ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Transport Properties ◽  
Spin Polarization ◽  
Bound States ◽  
Spin Asymmetry ◽  
Experimental Protocol ◽  
Zero Bias ◽  
Topological Superconductor ◽  
Hybrid Device ◽  
Majorana Bound States

AbstractWe consider transport properties of a hybrid device composed by a quantum dot placed between normal and superconducting reservoirs, and coupled to a Majorana nanowire: a topological superconducting segment hosting Majorana bound states (MBSs) at the opposite ends. It is demonstrated that if highly nonlocal and nonoverlapping MBSs are formed in the system, the zero-bias Andreev conductance through the dot exhibits characteristic isoconductance profiles with the shape depending on the spin asymmetry of the coupling between the dot and the topological superconductor. Otherwise, for overlapping MBSs with less degree of nonlocality, the conductance is insensitive to the spin polarization and the isoconductance signatures disappear. This allows to propose an alternative experimental protocol for probing the nonlocality of the MBSs in Majorana nanowires.

Influence of oxidation on the spin-filtering properties ofCoFe2O4and the resultant spin polarization

2008 ◽  
Vol 78 (18) ◽  
Author(s):  
A. V. Ramos ◽  
T. S. Santos ◽  
G. X. Miao ◽  
M.-J. Guittet ◽  
J.-B. Moussy ◽  
...  
Keyword(s):  
Spin Polarization ◽  
Spin Filtering
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