scholarly journals VORTEX MOTION AND THE HALL EFFECT IN HIGH TEMPERATURE SUPERCONDUCTORS——A TIME DEPENDANT GINZBURG LANDAU THEORY APPROACH

1997 ◽  
Vol 46 (12) ◽  
pp. 2431
Author(s):  
LIANG FANG-YING ◽  
JIANG WEN-ZHI
2003 ◽  
Vol 17 (10n12) ◽  
pp. 621-626
Author(s):  
A. S. Bystrov ◽  
A. S. Mel'Nikov ◽  
D. A. Ryzhov ◽  
I. M. Nefedov ◽  
I. A. Shereshevskii ◽  
...  

In this paper we focus on the comparison of the equilibrium and transport properties of singular and nonsingular vortex structures in high-temperature compounds. Using the time-dependent Ginzburg–Landau theory we study the dynamics of vortex structures in superconductors with (d+s)-wave pairing. We calculate the angular dependent correction to the viscosity tensor of a singular flux line, which appears due to the admixture of subdominant s-wave order parameter component in the vortex core. The second order phase transition between singular and nonsingular vortices in high-temperature superconductors was simulated within the time-dependent Ginzburg-Landau equations. The semiclassical analysis of the positions of gap nodes in the vortex core is performed both for singular and nonsingular flux lines.


1987 ◽  
Vol 01 (03n04) ◽  
pp. 1067-1070 ◽  
Author(s):  
M. Petravić ◽  
A. Hamzić ◽  
B. Leontić ◽  
L. Forró

We present Hall effect measurements in the normal state of the high temperature superconducting ceramics La2−xSrxCuO4 (x=0, 0.1, 0.15, 0.2, 0.25, 0.3), YBa2Cu3o7 and GdBa2Cu3O7 . The first family has temperature independent Hall constant for x>0, while in the other two systems RH is proportional to 1/T. From the Hall effect it follows that the transport in these compounds is hole-like.


1989 ◽  
Vol 40 (10) ◽  
pp. 6878-6883 ◽  
Author(s):  
L. Tewordt ◽  
S. Wermbter ◽  
Th. Wölkhausen

2005 ◽  
Vol 72 (5) ◽  
Author(s):  
Z. Wang ◽  
L. Shan ◽  
Y. Z. Zhang ◽  
J. Yan ◽  
F. Zhou ◽  
...  

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