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Prog. Theor. Phys. Vol. 59 No. 3 (1978) pp. 697-713

[ Full Text PDF : FREE ACCESS (1295K) ]

Inter-Atomic Interaction between Electrons. II

Eijiro Haga, Tomohiko Kato* and Tsuyoshi Aisaka**

Department of Applied Physics, Faculty of Engineering, Nagoya University, Nagoya 464
*Fukuoka Institute of Technology, Fukuoka 811-02
**Department of General Education, Tottori University, Tottori 680

(Received October 11, 1977)

Abstract:

Intra- and inter-atomic interactions in the exchange process are defined with respect to the Wannier function rather than the atomic function. In relation to the neutron scattering data for nickel, the behavior for the effective exchange parameter I(q) in the q-dependent susceptibility is, in RPA, investigated by taking into account the main types of the nearest neighbor interactions and by extending our previous treatment. The different type of interactions lead to different behavior for the q-dependence of I(q). The contribution to I(q) from inter-atomic interactions other than the exchange type decreases as the surface area of the Fermi surface becomes large. For the exchange type, the l-th neighbor interaction with l≤4 is taken into account, and, from the comparison with the empirical result for I(q), it is found that the inter-atomic contribution to I(O) is about thirty percent with a reasonable decrease against l.


URL : http://ptp.ipap.jp/link?PTP/59/697/
DOI : 10.1143/PTP.59.697

[ Full Text PDF : FREE ACCESS (1295K) ] Citation:

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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 60 No. 2 (1978) pp. 615-617 :
    The q-Dependence of the Effective Exchange Parameter Due to Intra-Atomic Interaction
    Eijiro Haga, Tomohiko Kato and Tsuyoshi Aisaka
  2. Progress of Theoretical Physics Vol. 60 No. 6 (1978) pp. 1611-1623 :
    Inter-Atomic Interaction between Electrons. III
    Tomohiko Kato, Tsuyoshi Aisaka and Eijiro Haga
  3. Progress of Theoretical Physics Vol. 61 No. 3 (1979) pp. 699-708 :
    Effect of Inter-Atomic Interaction on Dynamic Susceptibility
    Eijiro Haga, Tomohiko Kato and Tsuyoshi Aisaka

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