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Experimental data available on roton contribution to the growth resistance of helium-4 surfaces from the work of Amrit, Legros and Poitrenaud (ref. 4) are analysed using the quantum kind model of Edwards, Mukherjee and Pettersen (ref. 5). The results are in strong favour of dissipation being due...
In this work, a multichannel Kondo-lattice model is studied in the thermodynamic limit. The conduction band is described by a constant hopping amplitude between any pair of lattice sites. Because of the infinite range hopping, the dimensionality of the lattice can be arbitrary. For this system,...
We report on the stable levitation of liquid helium drops of up to 2 cm diameter in a magnetic trap at temperatures down to 1.5 K in the earth's gravitational field. The production and properties of a magnetic trap for diamagnetic materials is discussed. The behavior of liquids in such a trap is...
Adsorption isotherms of3He on cesium substrates have been measured in the temperature range from 0.2 K to 1.5 K. At liquid-vapor coexistence3He wets cesium at all temperatures studied. Step-like features are found in the isotherms which are similar to the prewetting transitions of4He on Cs...
The longitudinal resistance,R
, the Hall resistance,R
, and the critical current density,j
, were measured for two Nb/Cu multilayers with different thickness of the Cu layers. The magnetic field was applied perpendicular to the layers. A peak-like anomaly ofR
, accompanied by a...
We consider an effect of the demagnetizing field, produced by the magnetic moments of nuclei of3He, on coherent precession of spin in liquid spin polarized3He or in spin polarized solutions of3He in4He. Formulae for the shape of the precessing domain wall and for the relaxation rate of the...
The specific heat of propylene glycol has been measured at temperatures from 0.1 K to 6 K. The magnitude and the temperature dependence of the specific heat are similar to that found in other fragile glasses.
We have studied the temperature dependence of two of the four magnetic-field perturbed NQR lines in indium. Our results indicate that the sign of the internal electric field gradient (EFG) is positive, in accord with the recent heat capacity measurements of the ISSP group and one recent...
Two chains of Luttinger liquids coupled by both interchain hopping and interchain interaction are investigated. A degeneracy of two kinds of dominant states with in phase and out of phase ordering in the absence of the hopping is removed since the transverse fluctuation of charge density is...
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