Physics and Applications of the Josephson Effect

Barone, A.; Paternò, G.

doi:10.1002/352760278x

Cited by 3,108 publications

(2,746 citation statements)

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“…This interest lies in the extensive range of important physical applications that include Josephson junctions [13,14], superionic conductors [15], adsorbates on crystal surfaces [16], colloidal spheres [17] and polymers diffusing at interfaces [18] among many others [19]. A constant external force produces a so-called 'tilted potential' or 'tilted washboard potential', and the further addition of a periodic force gives rise to the 'rocked tilted potential'.…”

Section: Introductionmentioning

confidence: 99%

Transport and diffusion on crystalline surfaces under external forces

et al. 2005

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Section: Introductionmentioning

confidence: 99%

Transport and diffusion on crystalline surfaces under external forces

et al. 2005

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“…This equation of θ(y, t) satisfies [∂θ/∂y] y=0 = [∂θ/∂y] y=L = 0, which is Kulik's boundary condition. 5,6 We consider θ(y, t) to be a small perturbation and solve Eq. (8) by taking J(y, t) to be J c (y) sin(ω J t).…”

Section: Josephson Current Density With Zffr and Numerical Resultsmentioning

confidence: 99%

“…This phenomenon has been widely studied experimentally and theoretically in the Josephson junction. 6,[29][30][31][32] In this paper, we theoretically study the ZFFR coupled with spin-waves in an S/FI/S junction with a non-uniform FI. The merit of such a non-uniform geometry of junction is …”

Section: Introductionmentioning

confidence: 99%

Zero-Field Fiske Resonance Coupled with Spin-Waves in Ferromagnetic Josephson Junctions

2014

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AC Josephson current density in a Josephson junction with DC bias is spatially modulatedby an external magnetic field, and induces an electromagnetic (EM) field inside the junction.The current-voltage (I-V ) curve exhibits peaks due to the resonance between the EM field and the spatially modulated AC Josephson current density. This is called Fiske resonance.Such a spatially modulated Josephson current density can be also induced by a non-uniform insulating barrier and the Fiske resonance appears without external magnetic field. This is called zero-field Fiske resonance (ZFFR). In this paper, we theoretically study the ZFFR coupled with spin-waves in a superconductor/ferromagnetic insulator/superconductor junction (ferromagnetic Josephson junction) with a non-uniform ferromagnetic insulating barrier.The resonant mode coupled with spin-waves can be induced without external magnetic field.We find that the I-V curve shows resonant peaks associated with composite excitations of spin-waves and the EM field in the junction. The voltage at the resonance is obtained as a function of the normal modes of EM field. The ZFFRs coupled with spin-waves are found as peak structures in the DC Josephson current density as a function of bias voltage.

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“…There was at the time a large number of theoretical works trying to explain the discrepancy between tunnel theory and experiments, most of them relying on the introduction of a phenomenological broadening of the Riedel peak (for a review see ref. [4]). However, a completely satisfactory explanation of this issue seems still to be lacking.…”

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The phase-dependent linear conductance of a superconducting quantum point contact

Yeyati

Martín‐Rodero

Cuevas

1996

J. Phys.: Condens. Matter

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Esta es la versión de autor del artículo publicado en: This is an author produced version of a paper published in:Journal of Physics Condensed Matter 8. 4 (1996) AbstractThe exact expression for the phase-dependent linear conductance of a weakly damped superconducting quantum point contact is obtained. The calculation is performed by summing up the complete perturbative series in the coupling between the electrodes. The failure of any finite order perturbative expansion in the limit of small voltage and small quasi-particle damping is analyzed in detail. In the low transmission regime this nonperturbative calculation yields a result which is at variance with standard tunnel theory. Our result predicts the correct sign of the quasi-particle pair interference term and exhibits an unusual phase-dependence at low temperatures in qualitative agreement with the available experimental data.PACS numbers: 74.50.+r, 85.25.Cp, 73.20.Dx Since the early stages in the theory of Josephson junctions it has been customary to write the total current through the junction aswhere the total superconducting phase difference between the electrodes is related to the applied bias voltage by dφ/dτ = 2eV /h = ω 0 .

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Physics and Applications of the Josephson Effect

Cited by 3,108 publications

References 0 publications

Transport and diffusion on crystalline surfaces under external forces

Transport and diffusion on crystalline surfaces under external forces

Zero-Field Fiske Resonance Coupled with Spin-Waves in Ferromagnetic Josephson Junctions

The phase-dependent linear conductance of a superconducting quantum point contact

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