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The temperature dependence of the electromagnetic response functionI(0, 0,T) has been inferred from the temperature dependence of the kinetic inductance of thin, amorphous Bi films. For normalization purposesI(0, 0, 0) has been calculated from tunneling data with the microscopic strong-coupling...
Measurements of the Kapitza conductance to liquid helium II across the (100) surface of single crystals of copper are presented. The temperature range of these measurements was 1.6–2.1 K. The sample surfaces were subjected to several different treatments. Some surfaces were cleaned by low-energy...
We have observed second sound in He II using a heat pulse method. At temperatures where well-developed second sound is observed, the entire pulse shape can be understood if heat sources and geometrical effects are properly taken into account.
The Boltzmann equation for Landau quasiparticles is solved for T ∼ 0 by a specialization of a method discussed by Sykes and Brooker. The quasiparticle distribution function is expanded in Legendre polynomials, assuming a boundary condition which imposes axial symmetry, and even-order terms are...
The equation describing the rotation of the orbital coordinate in superfluid3He is obtained. It is shown that the orbital modes obey a diffusion-like equation with a finite energy gap. The transient behavior of the
vector in the A phase after thed vector is suddenly rotated is...
The scaling theory for tricritical phenomena by Riedel is applied to the analysis of thermodynamic properties of liquid3He-4He mixtures near the tricritical point. Within this theory experimental data for the phase diagram, the3He molar concentrationX, and the concentration susceptibility...
The generalized Gruneisen parameters (GP's) of elastic waves propagating in different directions in aluminum oxide are calculated from the measured second- and third-order elastic constants. These GP's in alumina are found to have small but positive values. The Brugger gammas are evaluated and...
We calculate the effect of pressure on the annular area between the cap and monster of the Fermi surface of cadmium, using an isotropic parallel band model based on the free-electron model and the Stark-Falicov model. The latter gives good agreement with experiment.
It is shown that fluctuations above the superfluid transition in liquid3He depend strongly upon the relative angular momentum1 for which Cooper pairing occurs. The effects may be calculated for any value of1 and they should be observable in the static magnetization, viscosity, and spin diffusion...
Measurements of the nuclear spin lattice relaxation times of3He adsorbed on porous material for a wide range of temperatures (0.33
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