拓扑Mott绝缘体的dirac programcon...

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Vortex Plastic Flow, $B(x,y,H(t)), M(H(t)), J_c(B(t))$, Deep in the Bose
Glass and Mott-Insulator Regimes
Abstract: We present simulations of flux-gradient-driven superconducting vortices
interacting with strong columnar pinning defects as an external field $H(t)$ is
quasi-statically swept from zero through a matching field $B_{\phi}$. We
analyze several measurable quantities, including the local flux density $
B(x,y,H(t))$, magnetization $M(H(t))$, critical current $J_{c}(B(t))$, and
the individual vortex flow paths. We find a significant change in the behavior
of these quantities as the local flux density crosses $B_{\phi}$, and quantify
it for many microscopic pinning parameters. Further, we find that for a given
pin density $J_c(B)$ can be enhanced by maximizing the distance between the
pins for $ B & B_{\phi} $.
Superconductivity (cond-mat.supr-con); Materials Science (cond-mat.mtrl-sci)
Journal&reference:
Phys. Rev. B 53 (1996) R
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From: Franco Nori []
[v1] Wed, 14 Feb :48 GMT宋俊涛-拓扑绝缘体研究进展报告_百度文库
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