Exploring metastability via the third harmonic measurements in single crystals of $2H$-$NbSe_2$ showing anomalous Peak effect

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We explore the metastability effects across the order-disorder transition pertaining to the peak effect phenomenonon in critical current density ($J_c$) via the first and the third harmonic ac susceptibility measurements in the weakly pinned single crystals of $2H$-$NbSe_2$. An analysis of our data suggests that an imprint of the limiting (spinodal) temperature above which $J_c$ is path independent can be conveniently located in the third harmonic data ($χ_{3ω}^{\prime}$).
Accepted for publication in Phys. Rev. B

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Superconductivity, Statistical Mechanics

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http://salesiana.dossiersoluciones.com/handle/123456789/97016

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0509514
 http://arxiv.org/abs/cond-mat/0509514
 Phys. Rev. B 72, 134524 (2005)
 doi:10.1103/PhysRevB.72.134524

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arXiv