英国物理学会
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作者:Roberto Monaco , Carmine Granata ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2015, Vol.28 (8)IOP
摘要:We have investigated the static properties of one-dimensional planar Josephson tunnel junctions (JTJs) in the most general case of elliptic annuli. We have analyzed the dependence of the critical current in the presence of an external magnetic field applied either in the jun...
作者:Roberto Monaco
来源:[J].Journal of Physics: Condensed Matter(IF 2.355), 2016, Vol.28 (44)IOP
摘要:Long Josephson tunnel junctions are non-linear transmission lines that allow propagation of current vortices (fluxons) and electromagnetic waves and are used in various applications within superconductive electronics. Recently, the Josephson vortex has been proposed as a new supe...
作者:Carmine Granata , Antonio Vettoliere , Roberto Monaco
来源:[J].Superconductor Science and Technology(IF 2.758), 2014, Vol.27 (9)IOP
摘要:The low-current fluctuations at cryogenic temperatures together with the low dynamical resistance in the resonant states of Josephson tunnel junctions allow for the realization of superconducting oscillators up to the THz range with ultra-low spectral linewidth. By virtue of...
作者:Roberto Monaco , Jesper Mygind , Valery P Koshelets
来源:[J].Superconductor Science and Technology(IF 2.758), 2018, Vol.31 (2)IOP
摘要:We report theoretical and experimental work on the development of a Josephson vortex two-state system based on a confocal annular Josephson tunnel junction (CAJTJ). The key ingredient of this geometrical configuration is a periodically variable width that generates a spatial...
作者:Roberto Monaco , Valery P Koshelets ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2013, Vol.26 (5)IOP
摘要:The properties of Josephson devices are strongly affected by geometrical effects such as those associated with the magnetic field induced by the bias current. The generally adopted analysis of Owen and Scalapino (1967 Phys. Rev. 164 , 538) for the critical current, I c...
作者:Roberto Monaco , Carmine Granata ...
来源:[J].Superconductor Science and Technology(IF 2.758), 2013, Vol.26 (12)IOP
摘要:We study how the magnetic field dependence of the Eck step voltage in long Josephson tunnel junctions (LJTJs) can allow for ultra-low-noise magnetic sensing. The field to be measured is applied perpendicular to a continuous superconducting pickup loop. Wherever the loop has ...

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