Josephson junctions in narrow thin-film strips (2008)
Moshe, Maayan, Kogan, V. G., Mints, R. G.
We study the field dependence of the maximum supercurrent in narrow edge-type thin-film Josephson junctions. It is assumed that the junction extends across thin-film strip of width W that is much...
Maximum supercurrent in Josephson junctions with alternating critical current density (2007)
Moshe, Maayan, Schneider, C. W., Bensky, G., Mints, R. G.
We consider theoretically and numerically magnetic field dependencies of the maximum supercurrent across Josephson tunnel junctions with spatially alternating critical current density. We find that...
High-field vortices in Josephson junctions with alternating critical current density (2007)
We study long Josephson junctions with the critical current density alternating along the junction. New equilibrium states, which we call the field synchronized or FS states, are shown to exist if...
Shapiro steps in Josephson junctions with alternating critical current density (2007)
We treat theoretically Shapiro steps in tunnel Josephson junctions with spatially alternating critical current density. Explicit analytical formulas for the width of the first integer (normal) and...
Flux creep in type-II superconductors: self-organized criticality approach (2004)
Mints, R. G., Papiashvili, Ilya
We consider the current density distribution function of a flux creep regime in type-II superconductors by mapping the flux creep process to the dynamics of a model with a self-organized criticality....
On ultrafast magnetic flux dendrite propagation into thin superconducting films (2004)
Biehler, B., Leiderer, P., Mints, R. G.
We suggest a new theoretical approach describing the velocity of magnetic flux dendrite penetration into thin superconducting films. The key assumptions for this approach are based upon experimental...
Remarkable change of tunneling conductance in YBCO films in fields up to 32.4T (2004)
Beck, R., Dagan, Y., Milner, A., Leibovitch, G., Gerber, A., Mints, R. G., ...
We studied the tunneling density of states in YBCO films under strong currents flowing along node directions. The currents were induced by fields of up to 32.4T parallel to the film surface and...
Properties of mesoscopic superconducting thin-film rings. London approach (2003)
Kogan, V. G., Clem, John R., Mints, R. G.
Superconducting thin-film rings smaller than the film penetration depth (the Pearl length) are considered. The current distribution, magnetic moment, and thermodynamic potential ${\cal F}(H,N,v)$ for...
Equilibrium current temperature quasi-oscillations in a ferromagnetic loop (2003)
Equilibrium persistent current carried by a small ferromagnet-metal loop is considered. This current is shown to be quasi periodic in temperature at low temperatures. The quasi period is determined...
Observation of splintered Josephson vortices at grain boundaries in YBa2Cu3O7-d (2002)
Mints, R.G., Papiashvili, I., Kirtley, J.R., Hilgenkamp, J.W.M., Hammerl, G., Mannhart, J.
We have directly observed well-separated Josephson vortex splinters with unquantized magnetic flux at asymmetric 45° grain boundaries in YBa2Cu3O7-¿ films by imaging magnetic flux with scanning...
Observation of splintered Josephson vortices at grain boundaries in YBa2Cu3O7-d (2002)
Mints, R.G., Papiashvili, I., Kirtley, Dr. J.R., Hilgenkamp, Prof. H., Hammerl, G., Mannhart, J.
We have directly observed well-separated Josephson vortex splinters with unquantized magnetic flux at asymmetric 45° grain boundaries in YBa2Cu3O7-¿ films by imaging magnetic flux with scanning...
Observation of splintered Josephson vortices at grain boundaries in YBa2Cu3O7-d (2002)
Mints, R.G., Papiashvili, I., Kirtley, J.R., Hilgenkamp, H., Hammerl, G., Mannhart, J.
We have directly observed well-separated Josephson vortex splinters with unquantized magnetic flux at asymmetric 45° grain boundaries in YBa2Cu3O7-¿ films by imaging magnetic flux with scanning...
Fractional Josephson vortices at YBa$_2$Cu$_3$O$_{7-x}$ grain boundaries (2001)
Mints, R. G., Papiashvili, Ilya
We report numerical simulations of magnetic flux patterns in asymmetric 45$^{\circ}$ [001]-tilt grain boundaries in YBa$_2$Cu$_3$O$_{7-x}$ superconducting films. The grain boundaries are treated as...
Self-generated magnetic flux in YBa$_2$Cu$_3$O$_{7-x}$ grain boundaries (2000)
Mints, R. G., Papiashvili, Ilya
Grain boundaries in YBa$_2$Cu$_3$O$_{7-x}$ superconducting films are considered as Josephson junctions with a critical current density $j_c(x)$ alternating along the junction. A self-generated...
Buckling instability in type-II superconductors with strong pinning (1999)
We predict a novel buckling instability in the critical state of thin type-II superconductors with strong pinning. This elastic instability appears in high perpendicular magnetic fields and may cause...
L. Legrand, I. Rosenman, R. G. Mints, G. Collin, E. Janod
. -- We show that the self-organized criticality of Bean's state in each of the grains of a granular superconductor results in magneto-thermal oscillations. We find that the frequency of these...
Proximity Effect Enhancement Induced by Roughness of SN Interface (1997)
Critical temperature reduction $\Delta T_c$ is considered for a thin film of a layered superconductor (S) with a rough surface covered by a thick layer of a normal metal (N). The roughness of the SN...
Brandt, E. H., Mints, R. G., Snapiro, I. B.
It is shown that in extremely anisotropic layered superconductors the interaction of vortex lines with a parallel planar surface, which for straight lines along the c-axis decreases exponentially...
Flux Creep and Flux Jumping (1995)
We consider the flux jump instability of the Bean's critical state arising in the flux creep regime in type-II superconductors. We find the flux jump field, $B_j$, that determines the superconducting...
Legrand, L., Rosenman, I., Mints, R. G., Collin, G.
We show that the self-organized criticality of the Bean's state in each of the grains of a granular superconductor results in magneto-thermal oscillations preceding a series of subsequent flux jumps....
Electromagnetic waves in a Josephson junction in a thin film (1994)
We consider a one-dimensional Josephson junction in a superconducting film with the thickness that is much less than the London penetration depth. We treat an electromagnetic wave propagating along...
Josephson Vortex Bloch Oscillations: Single Pair Tunneling Effect (1994)
We consider the Josephson vortex motion in a long one--dimensional Josephson junction in a thin film. We show that this Josephson vortex is similar to a mesoscopic capacitor. We demonstrate that a...
Josephson vortex Cherenkov radiation (1994)
We predict the Josephson vortex Cherenkov radiation of an electromagnetic wave. We treat a long one--dimensional Josephson junction. We consider the wave length of the radiated electromagnetic wave...