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|Type:||Artigo de periódico|
|Title:||The first-order vortex transition line in three-dimensional anisotropic superconductors in tilted magnetic fields|
Da Silva, EZ
|Abstract:||The vortex lattice in high-temperature superconductors is affected by thermal fluctuations and quenched disorder, leading to disordered phases, such as vortex liquid and glass, through a first-order phase transition. We use a transformation proposed by Calero, in order to obtain the angular generalization of the first-order melting line of the vortex lattice in a three-dimensional anisotropic superconductor, such as YBaCuO, under an external magnetic field with arbitrary direction with respect to the anisotropy axis. The calculations are performed in the framework of the Ginzburg-Landau theory in the lowest Landau level approximation. The competition between thermal fluctuations and disorder is described following the same method as that developed by Li and Rosenstein.|
|Editor:||Iop Publishing Ltd|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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