Vedmedenko, E.Y.; Grimm, U. and Wiesendanger, R.
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|DOI (Digital Object Identifier) Link:||http://doi.org/10.1103/PhysRevLett.93.076407|
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Based on Monte Carlo simulations, the stable magnetization configurations of an antiferromagnet on a quasiperiodic tiling are derived theoretically. The exchange coupling is assumed to decrease exponentially with the distance between magnetic moments. It is demonstrated that the superposition of geometric frustration with the quasiperiodic ordering leads to a three-dimensional noncollinear antiferromagnetic spin structure. The structure can be divided into several ordered interpenetrating magnetic supertilings of different energy and characteristic wave vector. The number and the symmetry of subtilings depend on the quasiperiodic ordering of atoms. The copyright of this abstract and the article are held by the Americal Physical Society.
|Item Type:||Journal Article|
|Extra Information:||Copyright held by the American Physical Society.
Preprint version cond-mat/0406373 available at http://arxiv.org/abs/cond-mat/0406373
|Academic Unit/Department:||Faculty of Science, Technology, Engineering and Mathematics (STEM) > Mathematics and Statistics
Faculty of Science, Technology, Engineering and Mathematics (STEM)
|Depositing User:||Uwe Grimm|
|Date Deposited:||05 Jun 2006|
|Last Modified:||02 Aug 2016 21:12|
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