Transformation of Thermal Energy in Electric Energy in an Inhomogeneous Superconducting Ring
نویسنده
چکیده
An inhomogeneous superconducting ring (hollow cylinder) placed in a magnetic field is considered. It is shown that a direct voltage appears on section with lowest critical temperature when it is switched periodically from the normal state in the superconducting state and backwards, if the magnetic flux contained within the ring is not divisible by the flux quantum. The superconducting transition can be first order in this case. In the vicinity of this transition, thermal fluctuations can induce the voltage in the ring with rather small sizes.
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