Browsing by Author "Li, DingPing"

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Thermal fluctuations and disorder effect on the square-rhombic structural phase transition of the vortex lattice in tetragonal superconductors
(2006)
Lin, Fareh PeiJen
;
Knigavko, Anton
;
Li, DingPing
;
Rosenstein, Baruch
;
電子物理學系
Influence of the thermal fluctuations and weak disorder on the square--rhombic transition of the vortex lattice in tetragonal superconductors is investigated using the Ginzburg Landau approach which is valid near the H-c2(T) line. In both cases the phase transition line in the T-H plane shifts in a way that makes the region occupied by the more symmetric square phase larger.