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  1. 1 Acta Physica Polonica A

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  1. 1 2014

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  1. 1 Thiem S.

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RKKY Interactions and Low-Temperature Behaviour of Spins in Quasiperiodic Tilings

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Thiem S.
Acta Physica Polonica A
|
2014
|
vol. 126
|
issue 2
613-616
EN
We study the structure of the Ruderman-Kittel-Kasuya-Yosida interactions for selected quasiperiodic tilings. The interaction energies between the magnetic impurities in these systems are computed by a continued fraction expansion for the Green function of the conduction electrons. Based on these results we study the alignment of the magnetic moments in the Ammann-Beenker tiling by Monte Carlo simulations. In particular, we are interested in the structure of the magnetic ground state and the low-temperature behaviour for the Ising model.
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