First-order melting transition of the two-dimensional flux-line lattice

1993 ◽  
Vol 47 (5) ◽  
pp. 2932-2935 ◽  
Author(s):  
Yusuke Kato ◽  
Naoto Nagaosa
Keyword(s):  
Flux Line ◽  
Melting Transition ◽  
Two Dimensional ◽  
Line Lattice ◽  
Flux Line Lattice ◽  
First Order

ELASTIC-THEORY STUDY ON THE MELTING TRANSITION OF FLUX LINE LATTICE INDUCED BY MAGNETIC FIELDS PERPENDICULAR TO THE ANISOTROPIC AXIS

2005 ◽  
Vol 19 (01n03) ◽  
pp. 475-477
Author(s):  
QING-MIAO NIE ◽  
MENG-BO LUO ◽  
QING-HU CHEN ◽  
XIAO HU
Keyword(s):  
Magnetic Fields ◽  
Flux Line ◽  
Elastic Theory ◽  
Melting Transition ◽  
Type Ii ◽  
Line Lattice ◽  
Flux Line Lattice ◽  
Type Ii Superconductors ◽  
Special Value ◽  
Lindemann Criterion

The melting transition in anisotropic type-II superconductors has been studied by the Lindemann criterion in the framework of elastic theory. Using two Lindemann numbers for two transverse directions, we find that the single melting transition can be obtained, when the ratio between the two Lindemann numbers reaches special value.

Thermodynamic Evidence for a Flux Line Lattice Melting Transition inYBa2Cu3O7−δ

1996 ◽  
Vol 76 (25) ◽  
pp. 4809-4812 ◽  
Author(s):  
U. Welp ◽  
J. A. Fendrich ◽  
W. K. Kwok ◽  
G. W. Crabtree ◽  
B. W. Veal
Keyword(s):  
Flux Line ◽  
Melting Transition ◽  
Line Lattice ◽  
Flux Line Lattice

Flux Line Lattice Melting Transition in YBa2Cu3O6.94 Observed in Specific Heat Experiments

Science ◽  
1996 ◽  
Vol 273 (5279) ◽  
pp. 1210-1212 ◽  
Author(s):  
M. Roulin ◽  
A. Junod ◽  
E. Walker
Keyword(s):  
Specific Heat ◽  
Flux Line ◽  
Melting Transition ◽  
Line Lattice ◽  
Flux Line Lattice

Isothermal Elastic Constants of Flux-Line Lattice in Layered Superconductors

1998 ◽  
Vol 12 (29n31) ◽  
pp. 2974-2981
Author(s):  
Zhi-Xiong Cai ◽  
David O. Welch ◽  
Girija S. Dubey
Keyword(s):  
Effective Interaction ◽  
Flux Line ◽  
Thermal Fluctuation ◽  
Interlayer Coupling ◽  
Dynamics Simulation ◽  
Melting Transition ◽  
Layered Superconductor ◽  
Ewald Summation ◽  
Line Lattice ◽  
Flux Line Lattice

A model of the effective interaction between the magnetic flux-lines in a layered superconductor is derived from the Lawrence–Doniach model. We show analytically that the intralayer interaction energy can be evaluated using the Ewald summation technique. The melting of flux line lattices is studied using Langevin dynamics simulation of the model with various values of interlayer coupling strength and pinning intensities. The thermal fluctuation terms of the isothermal shear modulus are found to increase sharply at the melting transition temperature for systems with or without pinning, while the structural order parameters were close to zero at all temperatures for systems with strong pinning. The melting of the pinned flux-line lattice is discussed in the context of its elastic properties.

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