Papers by K. Bennemann Bennemann
Quantum Matter, 2015
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1984 International Symposium on Electromagnetic Compatibility, 1984
For very accurate cases of lightning protection (for exemple : light warning of high poles, or en... more For very accurate cases of lightning protection (for exemple : light warning of high poles, or energy providing of altitude points) it is necessary that lightning protection devices withstand normally several direct lightning strikes. The memorization of such multiple energy transit through the arresters can induce a short term breakdown of the arresters, even if they are specified to withstand the full energy of a direct lightning strike. A very fast circuit shorter with an adequate command device allows an important improvement of the cumulated energy capability of lightning arresters. . This present some interest, either to get ;s:iy margin for a direct super energetic lightning strike, or to allow the arrester to withstand a greater number of medium energy strikes.
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Europhysics Letters (EPL), 1992
ABSTRACT
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Characteristic results of magnetism in small particles are presented. Results are given for a lat... more Characteristic results of magnetism in small particles are presented. Results are given for a lattice of anti-dots, tunneling between quantum dot and tunnel systems.
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Physics Letters, 1965
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Physical Review, 1969
A new theory of superconductors containing transition-metal impurities is presented, explaining t... more A new theory of superconductors containing transition-metal impurities is presented, explaining the observed anomalous magnetic behavior of the impurities with quenched or nearly quenched magnetic moment resulting from the localized spin fluctuations associated with the formation of localized magnetic moments. From this theory, the superconducting transition temperatures of AlMn, AlCr, and VFe are calculated. The puzzling "slowing down" of the
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Physical Review, 1967
The specific heat of superconductors containing small concentrations of paramagnetic impurities i... more The specific heat of superconductors containing small concentrations of paramagnetic impurities is calculated. It is shown that ordering of the impurity spins gives rise to a large enhancement of the specific heat and changes strongly the dependence of the electronic specific-heat discontinuity at the superconducting transition temperature on the concentration of paramagnetic impurities. It is pointed out that the impurity-spin ordering in a superconductor is affected by nonmagnetic impurities.
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Physical Review, 1968
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Physics Letters, 1965
... Phys. Letters 1, 7 (1962). Page 2. MAGNETIC FIELD DEPENDENCE OF THE KNIGHT SHIFT A 789 ... d... more ... Phys. Letters 1, 7 (1962). Page 2. MAGNETIC FIELD DEPENDENCE OF THE KNIGHT SHIFT A 789 ... dA t &/rp' [(1+u'-')Pip1/2rp"Z)hz, +z'uh~ /2rp"A= (1+A, )/2rzh+iuh, ~ &/2r&A, [(1+u )Pip u /2rp"A)hz iu~h' /2r ph= iu(1+A ('&)/2r&A u '-A &z&/2rzA. (15) ...
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ChemInform, 2010
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Physical Review, 1965
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Physical Review B, 1987
ABSTRACT We study the effect of oxygen on magnetism at the (100) surface of Cr. Using the Hubbard... more ABSTRACT We study the effect of oxygen on magnetism at the (100) surface of Cr. Using the Hubbard Hamiltonian we find that chemisorbed oxygen strongly decreases the magnetic moments at the surface, while interstitially absorbed oxygen increases the magnetic moments. The resultant change of the magnetic-ordering temperature is estimated by application of a Heisenberg model. The results obtained agree qualitatively with recent experiments.
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Physical Review Letters, 1985
... et Structure Electronique des Solides, Universite Louis Pasteur, F-6 70 70 Strasbourg Cedex, ... more ... et Structure Electronique des Solides, Universite Louis Pasteur, F-6 70 70 Strasbourg Cedex, France and F. Mejia-Lira Instituto ... y = 0. 5, a characteristic of the BW approximation.3 196 1985 The American Physical Society PHYSICAL REVIEW LETTERS 29 APRIL 1985 VOLUME ...
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Physical Review Letters, 1971
... Spin Susceptibility of Disordered Binary Alloys* K. Levin, R. Bass, and KH Bennemannt Departm... more ... Spin Susceptibility of Disordered Binary Alloys* K. Levin, R. Bass, and KH Bennemannt Department of Physics and Astronomy, University of Rochester, Rochester ... While de Gennes and Fulde and Luther in-cluded terms up to second order in 6., the present theory treats 6& in all ...
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Journal of Physics: Condensed Matter, 2010
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IEEE Transactions on Magnetics, 1972
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Fullerene Science and Technology, 1996
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Physical Review B, 1983
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Papers by K. Bennemann Bennemann