1 - 7 of 7 articles
We have investigated the resistive behavior of frustrated Josephson tunnel junction arrays. The transitions nearf=1/2, atf=1 and at a nonspecial value off=0.38 are studied in detail with linear and nonlinear resistance measurements. The parameterf is the frustration index, the applied flux per...
A theoretical study of the free energy, low-temperature critical field and the order of phase transition at a lower transition temperature in rare-earth ternary superconductors ErRh4B4 and HoMo6S8 is presented using thef-d exchange model within a mean field theory. The results obtained are in...
The scattering of phonons by sessile dislocations has been studied by means of thermal conductivity measurements on plastically deformed germanium samples over the temperature range 0.02 to 6 K. The results are compared with calculations based on the static model of the phonon-dislocation...
Relaxation times τ are reported from the transients observed during thermal conductivity κeff and thermal diffusionk
measurements in superfluid mixtures of3He in4He with a layer thickness of 1.81 mm. The experiments extend from 1.7 K toT
λ and over a3He concentration range 10−6≤X<5×10−2....
A4He film may be modeled only approximately as a two-dimensional (2D) system. This paper calculates the energy shift due to motion in the third dimension, thez direction perpendicular to the surface. Special attention is paid to the question of whether the ground-state solution of this quasi-2D...
Recent precise measurements of the clapping (cl) mode frequency in He3-A (Refs. 1 and 2) show a discrepancy with an ordinary kinetic-equation theory3: a 6% difference between experimental data and theory remains even after taking the higher pairing and Fermi-liquid corrections into account. The...
Nonlinear effects of the interaction of the second sound with surface waves in superfluid He are studied. It is shown that the standing surface waves, excited by the second sound on the surface of superfluid He, are stationary.
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