نتایج جستجو برای: penetration depth superconductivity
تعداد نتایج: 203516 فیلتر نتایج به سال:
results the simulation results showed that the penetration depth and temperature rise of 980 nm wavelengths were different from those of 1064 nm wavelength. it appeared that 1064 nm wavelength penetrated to deeper layers of tissue compared with 980 nm. moreover, temperature rise during 1064 nm irradiation led to temperature increase in allowable ranges. the findings proved the reason why 1064 n...
We have investigated the low-temperature physical properties of BaTi2Sb2O and Ba1−xNaxTi2Sb2O (x=0.05, 0.1, 0.15, 0.2, 0.25, 0.3) by means of muon spin rotation (�SR) and SQUID magnetometry. Our measurements reveal the absence of magnetic ordering below TDW=58 K in the parent compound. Therefore the phase transition at this temperature observed by magnetometry is most likely due to the formatio...
Considerable progress has been made over the last decade in understanding the phenomenological properties of the cuprate high-Tc superconductors and in producing well characterized high quality materials. Nevertheless, the pairing mechanism itself remains controversial. We establish a criterion to test theories for layered superconductors relying on a substantial interlayer contribution. The cr...
One of the most valid and efficient models of long rod projectile penetration in homogeneous targets is Tate and Alekseevskii’s (A&t) model. Based on Tate’s model, the present research tries to calculate the optimum speeds to achieve the maximum penetration depth in the homogeneous targets. The proposed collision speed-penetration depth diagrams are developed using Tate’s model. In this way, va...
${\mathrm{CaSb}}_{2}$ is a topological nodal-line semimetal that becomes superconducting below 1.6 K, providing an ideal platform to investigate the interplay between topologically nontrivial electronic bands and superconductivity. In this work, we investigated order parameter of by measuring its magnetic penetration depth change $\mathrm{\ensuremath{\Delta}}\ensuremath{\lambda}(T)$ down 0.07 u...
one of the most valid and efficient models of long rod projectile penetration in homogeneous targets is tate and alekseevskii’s (a&t;) model. based on tate’s model, the present research tries to calculate the optimum speeds to achieve the maximum penetration depth in the homogeneous targets. the proposed collision speed-penetration depth diagrams are developed using tate’s model. in this way, v...
We have studied the superconducting gap structure of LaPt$_2$Si$_2$ by measuring temperature dependence London penetration depth shift $\Delta\lambda(T)$ and point contact spectroscopy single crystals. shows an exponential at low temperatures, derived normalized superfluid density $\rho_{s}(T)$ can be well described a single-gap s-wave model. The point-contact conductance spectra also fitted Bl...
Penalty approaches can be used to efficiently resolve collisions of dynamically simulated rigid and deformable objects. These approaches compute penalty forces based on the penetration depth of intersecting objects and there exist many algorithms for estimating the exact penetration depth. However, in discrete-time simulations, this information can cause non-plausible collision responses in cas...
In exotic superconductors, including high-Tc copper oxides, the interactions mediating electron Cooper pairing are widely considered to have a magnetic rather than a conventional electron-phonon origin. Interest in this exotic pairing was initiated by the 1979 discovery of heavy-fermion superconductivity in CeCu2Si2, which exhibits strong antiferromagnetic fluctuations. A hallmark of unconventi...
– A phenomenological theory is suggested to explain the experimentally discovered “paramagnetic peculiarity” and the unconventional change of the energetic state of a layers of high Tc of Y-Ba-Cu-O in the vicinity of the phase transition. The physical conditions are found under which these peculiarities are revealed. It is shown that the suggested theory qualitatively describes the experimental...
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