Anisotropic peak effect due to structural phase transition in the vortex lattice

標題:	Anisotropic peak effect due to structural phase transition in the vortex lattice
作者:	Rosenstein, B Knigavko, A 電子物理學系 Department of Electrophysics
關鍵字:	vortex lattice;phase transitons;critical current density;peak effect
公開日期:	1-五月-2000
摘要:	The recently observed new peak effect in YBCO is explained by softening of the vortex lattice (VL) due to a structural phase transition in the VL. At this transition, square lattice transforms into a distorted hexagonal one. While conventional peak effect is associated with softening of shear modes at melting, in this case the relevant mode is the point. The squash mode is highly anisotropic and we point out some peculiar effects associated with this feature. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
URI:	http://dx.doi.org/10.1016/S0921-4534(99)00667-X http://hdl.handle.net/11536/30540
ISSN:	0921-4534
DOI:	10.1016/S0921-4534(99)00667-X
期刊:	PHYSICA C
Volume:	332
Issue:	1-4
起始頁:	203
結束頁:	206
顯示於類別：	會議論文

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