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  • 1
    Electronic Resource
    Electronic Resource
    Properties of a magnetic impurity in a metal (1997)
    Springer
    JETP letters 66 (1997), S. 195-201 
    Details
    ISSN: 1090-6487
    Keywords: 75.30.Hx ; 72.15.Qm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The effect of a polarized conduction-electron cloud back on a magnetic impurity dissolved in a metal is studied. It is shown that at a temperature T c much higher than the Kondo temperature the system becomes unstable against symmetry breaking and that a state with 〈S z 〉 ≠ 0 is established. The behavior of 〈 S z 〉 is derived for all temperatures and magnetic fields except for a very narrow region around T c and for very low temperatures. The minute role of Kondo-type processes in establishing the symmetry-broken state is pointed out.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1134/1.567501
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Influence of magnetic impurities on the heat capacity of nuclear spins (1997)
    Springer
    JETP letters 66 (1997), S. 365-370 
    Details
    ISSN: 1090-6487
    Keywords: 65.40.+g ; 75.40.Cx ; 75.30.Hx ; 75.25.+z
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract It is found that over a wide range of temperatures and magnetic fields even a small concentration of magnetic impurities in a sample leads to a T −1 temperature dependence of the nuclear heat capacity. This effect is due to nuclear spin polarization by the magnetic impurities. The parameter that controls the theory turns out not to be the impurity concentration n imp but instead the quantity n imp μ e /μ n , where μ e and μ n are the magnetic moments of an electron and a nucleus, respectively. The ratio of μ e and μ n is of order of 103.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1134/1.567523
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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