(formula presented) characteristic measurements to study the nature of the vortex state and dissipation in (formula presented) thin films

S. K. Gupta, Shashwati Sen, Ajay Singh, D. K. Aswal, J. V. Yakhmi, Eun Mi Choi, Hyun Jung Kim, Kijoon H.P. Kim, Seungje Choi, Hyun Sook Lee, W. N. Kang, Sung Ik Lee

Research output: Contribution to journalArticlepeer-review

Abstract

The temperature dependence of current-voltage (formula presented) thin films has been studied at different magnetic fields (H) and angles (formula presented) show critical scaling indicative of vortex glass transition. The critical exponents are found to be independent of H and (formula presented) indicating a universal behavior. The scaling functions are also seen to be field and angle independent when resistivity and current density are normalized with two parameters (formula presented) Field and angle dependences of parameters (formula presented) and vortex glass transition temperature (formula presented) are seen to be in agreement with the anisotropic Ginzburg-Landau model.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume66
Issue number10
DOIs
StatePublished - 2002
Externally publishedYes

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