High- and low-frequency behavior of response functions in a Bose condensed liquid

1981 ◽  
Vol 44 (5-6) ◽  
pp. 441-451 ◽  
Author(s):  
A. Griffin
Keyword(s):  
Low Frequency ◽  
Response Functions ◽  
Frequency Behavior ◽  
Condensed Liquid

Magnetic Permeability and Relaxation Frequency in High Frequency Magnetic Materials.

2001 ◽  
Vol 674 ◽  
Author(s):  
M.I. Rosales ◽  
H. Montiel ◽  
R. Valenzuela
Keyword(s):  
High Frequency ◽  
Domain Walls ◽  
Magnetocrystalline Anisotropy ◽  
Low Frequency ◽  
Frequency Dispersion ◽  
Anisotropy Constant ◽  
Relaxation Frequency ◽  
Resonance Relaxation ◽  
Frequency Behavior

ABSTRACTAn investigation of the frequency behavior of polycrystalline ferrites is presented. It is shown that the low frequency dispersion (f < 10 MHz) of permeability is associated with the bulging of pinned domain walls, and has a mixed resonance-relaxation character, closer to the latter. It is also shown that there is a linear relationship between the magnetocrystalline anisotropy constant, K1, and the relaxation frequency. The slope of this correlation depends on the grain size. Such a relationship could allow the determination of this basic parameter from polycrystalline samples.

Erratum: Low‐frequency behavior of coupled Josephson junctions near phase locking [Appl. Phys. Lett. 41, 566 (1982)]

1983 ◽  
Vol 42 (3) ◽  
pp. 305-305 ◽  
Author(s):  
A. K. Jain ◽  
K. K. Likharev ◽  
J. E. Lukens ◽  
J. E. Sauvageau
Keyword(s):  
Josephson Junctions ◽  
Phase Locking ◽  
Low Frequency ◽  
Frequency Behavior

Inertia, Damping, and Wave Excitation of Heaving Coaxial Cylinders

2012 ◽  
Author(s):  
Fun Pang Chau ◽  
Ronald W. Yeung
Keyword(s):  
Low Frequency ◽  
Bottom Surface ◽  
Hydrodynamic Coefficients ◽  
Wave Excitation ◽  
Hydrodynamic Properties ◽  
Coaxial Cylinders ◽  
Ocean Wave Energy ◽  
Matched Eigenfunction Expansions ◽  
Frequency Behavior ◽  
Analytical Expressions

The method of matched eigenfunction expansions is applied in this paper to obtain the hydrodynamic coefficients of a pair of coaxial cylinders, each of which can have independent movement. The geometry idealizes a device for extracting ocean wave energy in the heave mode. The effects of geometric variations and the interaction between cylinders on the hydrodynamic properties are discussed. Analytical expressions for the low-frequency behavior of the hydrodynamic coefficients are also derived. The wave-exciting force on the bottom surface of either one of the cylinders is derived using the radiation solutions, with a generalized form of the Haskind relation developed for this geometry. The presented results are immediately applicable to examine free motion of coaxial cylinders in a wave field.

The Cremer impedance: An investigation of the low frequency behavior

2019 ◽  
Vol 459 ◽  
pp. 114844 ◽  
Author(s):  
Zhe Zhang ◽  
Hans Bodén ◽  
Mats Åbom
Keyword(s):  
Low Frequency ◽  
Frequency Behavior
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