Electromagnetic radiation from vortex flow in type-II superconductors

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We show that a moving vortex lattice, as it comes to a crystal edge, radiates into a free space the harmonics of the washboard frequency, $ω_0=2πv/a$, up to a superconducting gap, $Δ/\hbar$. Here $v$ is the velocity of the vortex lattice and $a$ is the intervortex spacing. We compute radiation power and show that this effect can be used for generation of terahertz radiation and for characterization of moving vortex lattices.
4 pages, 1 figure

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Superconductivity, Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/118682

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0611193
 http://arxiv.org/abs/cond-mat/0611193
 Physical Review Letters 97, 197002 (2006)
 doi:10.1103/PhysRevLett.97.197002

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arXiv