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

• Authors: S. Thiem
• Languages of publication: EN

Abstracts

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.

Keywords

EN

75.50.Kj; 61.43.Bn

Discipline

• 61.43.Bn: Structural modeling: serial-addition models, computer simulation
• 75.50.Kj: Amorphous and quasicrystalline magnetic materials

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 2
• Pages: 613-616

Dates

published

2014-08

Contributors

author

S. Thiem

• Theoretical Physics, Oxford University, 1 Keble Road, Oxford OX1 3NP, UK

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Identifiers

DOI

10.12693/APhysPolA.126.613