Electromagnetic radiation from vortex flow in type-II superconductors
Electromagnetic radiation from vortex flow in type-II superconductors
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DOI：
10.1103/physrevlett.97.197002
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发表时间：
2006-11-10
影响因子：
8.6
通讯作者：
Chudnovsky, E. M.
中科院分区：
文献类型：
--
作者：
Bulaevskii, L. N.;Chudnovsky, E. M.
我们表明，一个运动的涡旋晶格，当它来到一个晶体边缘，辐射到一个自由空间的谐波的洗衣板频率，ω（0）=2 π v/a，超导间隙，德尔塔/h。这里v是涡格的速度，a是涡间距。我们计算辐射功率，并表明这种效果可以用于产生太赫兹辐射和表征移动涡旋晶格。
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, omega(0)=2 pi v/a, up to a superconducting gap, Delta/h. 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 the generation of terahertz radiation and for characterization of moving vortex lattices.