SUPERCURRENT NOISE IN SNS JUNCTIONS

(SNS) junction are calculated for multi-mode junction with arbitrary electron ..... where Ik = (e∆2/2¯h)Dk sinϕ/εk is the contribution to the sup...

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The opening of these superchannels leads to a supercurrent quantization which exhibits a ... steps associated with the opening of transverse channels, ... gap in the banks). However, contrary to the universality of the quantization in a normal contac

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Jan 28, 2010 - the normal wire leads to a highly non-sinusoidal current- phase relationship, in a good agreement with Ref. [9]. We consider a diffusive normal ...

nDn′ ]. × [AmC∗ m′ + a2ma∗. 2m′+1¯AmC∗ m′ + (1 + a2ma∗. 2m′+1) BmD∗ m′ ]}. + [f(ε)f(ε′) + (1 − f(ε)) (1 − f(ε′))] δn+n′,m+m′ × {δ [ε + ε′ + 2(n + ...

Mar 17, 2014 - metal electrode into one of the superconducting banks of the Josephson junction in the absence of a net ... Complex biased circuits can contain Josephson junctions in the resistive state, as well as .... Figure 2: (Color online) Curren

3 e〈I〉). [15], likely because the transport is mainly due to quasi- particles. But as the temperature decreases, the shot noise increases above this value. The evolution of the ... The contact pads are further covered by a low resistance. Ti-Au c

of the Hall voltage in SNS junctions has a form of narrow pulses with the Josephson ... ωc = eH/mc is the cyclotron frequency; H is the magnetic field and eb the.

Jul 28, 2013 - to finite-voltage transport properties of mesoscopic Josephson junctions with high electron transparency. ... quantitative description of MAR in junctions with arbitrary electron transparency D [8] is based on the usual scattering ....

Apr 18, 2007 - between theory an experiment, since in reality the mis- .... which accounts automatically for the normalization con- dition. ..... This means that it is reduced by approximately a factor 6, which is the same reduction factor obtained f

2Department of Physics and Astronomy, Appalachian State University, Boone, ... supercurrent mediated by quantum Hall (QH) edge states in boron nitride (BN).

Dec 6, 2014 - h e e. 2e. А. -А. A(E). R(E). Figure 1. Multiple Andreev reflections in ... In diffusive SNS junctions, the electron-hole coherence in the normal ...

expected in superconducting tunnel and SNS junctions whose subgap conductivity ... lation numbers ne,h(E,x) of electrons and holes within the normal metal, 0 ...

Jul 13, 2016 - Straße 3, 79104 Freiburg, Germany. Copyright line will be provided by the publisher. 1. arXiv:1607.03803v1 [cond-mat.mes-hall] 13 Jul 2016 ...

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Jul 17, 2007 - the magnetic length ξH = pΦ0/H, where H is the magnetic field and ... as a funcion of a perpendicular magnetic field in ballistic SNS junctions of ...

πΦ0 LIC(T, dF. ξF. ), where L is the loop inductance. Here we assume a sinu- soidal IS(ϕ) for simplicity[3]. For γ = 1 a phase transi- tion to a ground state with two ...

Physics Division, National Center for Theoretical Sciences , P. O. Box 2-131, Hsinchu, Taiwan 300, R. O. C.. (November 30, 2017). In this paper we ... are placed in contact with superconductors (S). This is due to the availability of ... plies to, e.

Feb 10, 2015 - finement effects may mask the helical gap, the character- istic reentrance of helical ..... insulating layers could complicate our analysis, see Ref. 80. In particular, we model the regions .... zero energy in the region where the norm

Oct 21, 2005 - superconductor (SNS) junction below the Thouless gap. ... In a diffusive SNS structure with transparent SN in- .... that the operator H = −∂2.

is applied to the subharmonic gap structure (SGS); simple analytical results are ... In the general case, the exact solution is found in terms of chain-fractions, and.

Mar 13, 2018 - pattern) caused by real magnetic fields passing through the junction. The absence of oscillatory supercurrent originates from the fact that strain-induced gauge fields have opposite ... charged particle propagating over a path C will a

ties in anisotropic supercondutor junctions. So far, such formular for the Josephson current is obtained in SIS junctions of dx2−y2 superconductors10. However ...

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Jun 10, 2010 - [The symmetric case with the equal resistances of the ..... cable when electron and hole distribution functions in the superconductors essentially ...