scholarly journals The influence of the second harmonic in the current-phase relation on the voltage-current characteristic of high TC�DC�SQUID

2005 ◽  
Vol 44 (1) ◽  
pp. 57-62 ◽  
Author(s):  
Ya. S. Greenberg ◽  
I. L. Novikov ◽  
V. Schultze ◽  
H.-G. Meyer
Keyword(s):  
Phase Relation ◽  
Second Harmonic ◽  
Current Phase ◽  
High Tc ◽  
Current Characteristic ◽  
Voltage Current Characteristic

scholarly journals Second-Harmonic Current-Phase Relation in Josephson Junctions with Ferromagnetic Barriers

2018 ◽  
Vol 121 (17) ◽  
Author(s):  
M. J. A. Stoutimore ◽  
A. N. Rossolenko ◽  
V. V. Bolginov ◽  
V. A. Oboznov ◽  
A. Y. Rusanov ◽  
...  
Keyword(s):  
Phase Relation ◽  
Josephson Junctions ◽  
Second Harmonic ◽  
Current Phase ◽  
Harmonic Current

scholarly journals Observation of the second harmonic in superconducting current-phase relation of Nb/Au/(001)YBa 2 Cu 3 O x heterojunctions

2002 ◽  
Vol 57 (4) ◽  
pp. 585-591 ◽  
Author(s):  
P. V Komissinski ◽  
E Il'ichev ◽  
G. A Ovsyannikov ◽  
S. A Kovtonyuk ◽  
M Grajcar ◽  
...  
Keyword(s):  
Phase Relation ◽  
Second Harmonic ◽  
Current Phase ◽  
Superconducting Current

Current-Phase Relation of YBa2Cu3O7-X/Nb Unconventional Superconductor Junctions

2010 ◽  
Vol 670 ◽  
pp. 38-41
Author(s):  
Boris Chesca ◽  
Henk Jan Smilde ◽  
Hans Hilgenkamp
Keyword(s):  
Phase Relation ◽  
Second Harmonic ◽  
Current Phase ◽  
Unconventional Superconductivity ◽  
Electric Transport ◽  
Unconventional Superconductor ◽  
Shapiro Steps ◽  
Microwave Assisted ◽  
Current Voltage ◽  
Current Voltage Characteristics

The knowledge of the current-phase relation (CPR) in superconducting junctions is essential in many applications like low-dissipative superconducting electronics or superconducting qubits for quantum computation. Theory predicts that unconventional superconductivity induces a significant second harmonic J2 in the CPR. Consequently, anomalies such as half-integer Shapiro steps should be observed in the microwave assisted current-voltage characteristics of the junctions. We performed electric transport measurements in YBa2Cu3O7-x/Nb unconventional superconductor junctions for 72 different tunneling directions in the ab plane and found no trace of such anomalies. This suggest that J2 is insignificantly small so that YBa2Cu3O7-x/Nb junctions have a purely sinusoidal CPR.

scholarly journals Pure second harmonic current-phase relation in spin-filter Josephson junctions

2014 ◽  
Vol 5 (1) ◽  
Author(s):  
Avradeep Pal ◽  
Z.H. Barber ◽  
J.W.A. Robinson ◽  
M.G. Blamire
Keyword(s):  
Phase Relation ◽  
Josephson Junctions ◽  
Second Harmonic ◽  
Current Phase ◽  
Spin Filter ◽  
Harmonic Current
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