[PDF] Top 20 Heterogeneous vortex dynamics in high temperature superconductors

... the temperature of the ...3.4). In order to reduce the noise level for small samples with a relatively high contact resistance, the resistance measurements were repeated at a fixed point and the ... Voir le document complet

... on temperature and frequency. In the case of granular films the coupled-grain model describes the microwave nonlinearities fairly ...nonlinearities in epitaxial films. Vortex penetration and ... Voir le document complet

... We have found that this system, excited at the low frequency of 77.123 Hz, is particularly sensible to ther- mal fluctuations at temperatures close to T c = 7.2 K. At 6.7 K the interstitial vortices are essentially ... Voir le document complet

... place in a narrow current range before entering in a new regime ...that in Al, nonequilibrium processes 共ignored in molecular dynamics simulations 兲 start at relatively low ... Voir le document complet

... conductor in the crossed-field ...obtained in the two cases where H ac is either parallel 共longitudinal vortex shaking 兲 or perpendicular 共transverse vortex shaking兲 to the currents ... Voir le document complet

... two in the dissipative creep regime or ␹ max ⬙ →0 as the system approaches the Campbell ...Additionally, in the critical state regime the height of the dissipation peak remains weakly h dependent, whereas ... Voir le document complet

... case. In other words, a description of pinning in terms of vortex line fluctuations only ...of vortex physics in heavy-ion-irradiated high temperature ... Voir le document complet

... in superconductors and introduce our measurement procedures. In section ...different vortex configurations as the external field is tilted away from the CD ...orientation. In section ... Voir le document complet

... the vortex ensemble in single crystalline Ba(Fe 0 ...mT). Vortex positions are revealed using Bitter decoration at ...of vortex positions indicates the absence of long–range positional- or ... Voir le document complet

... the temperature distribution of the bulk sample during ...shown in figure 6(c) for 4 particular locations: 3 located on the top surface of the sample (corner [red], intermediate [blue] and centre [green]) ... Voir le document complet

... For our experiment, preliminary calculations based on data on the resistance of soldered joints and switches made clear that for suitable choice of the surface area of[r] ... Voir le document complet

... by P rf = P incident,rf × Q L . The zero power limit is taken as those values of P rf below which R s (P rf ) is essentially P rf -independent. Curves for differents films present the same behavior, i.e R s (P rf ) and f ... Voir le document complet

... DISCUSSIONS In a first step, we will unveil the ingredients responsi- ble for the formation of vortex ice states and its defects, by exploring the vortex distribution in sample-III with L1 = ... Voir le document complet

... compare in detail the meteorology during these disparate winters, to demonstrate how these conditions af- fected transport, and to provide a meteorological context for interpretation of ACE-FTS measurements and ... Voir le document complet

... conditions in these three extreme winters is how these conditions affect transport in and around the polar vor- 15 ...descent in the late winters of 2004 and 2006, with mesospheric air descending ... Voir le document complet

... temporal patterns will start to dominate the other and its corre- sponding bit (0 or 1) will become more probable. To further assess the unpredictability of the generated bits, we evaluate the complexity of the bit ... Voir le document complet

... Probing vortex dynamics on a single vortex level by scanning ac-susceptibility microscopy Abstract: The low-frequency response of type II superconductors to electromagnetic excitations is the ... Voir le document complet

... of high maneuverability and agility of military air vehicles has been an incentive to continually expand their flight ...Many high manoeuvre aerial vehicles including UCAVs, take delta wing, double delta ... Voir le document complet

... We study more specifically the superconducting phase in which d-wave pairing leads to the prediction of a resonance in S(Qo,c0) surimposed to a gap-structure in agreement with the ne[r] ... Voir le document complet

... flow. In such a case, the reversed wave does not recover its initial ...amplified. In Fig. 3 共b兲, this behav- ior is illustrated in the case of a vortex insonified by an initially plane ...the ... Voir le document complet