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2010 | 118 | 5 | 740-741
Article title

Ordering in Triangular Lattice Ising Antiferromagnet Due to Dilution and Magnetic Field

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EN
Abstracts
EN
We study effects of an external magnetic field and random site dilution on the magnetic ordering in the geometrically frustrated triangular lattice Ising antiferromagnet by the use of an effective-field theory with correlations. In particular, we find that already a small amount of the quenched dilution locally relieves the frustration which in the presence of the external field is manifested by multiple splitting of a broad frustration-induced 1/3 magnetization plateau. Depending on the field strength, the dilution can either decrease or increase the magnetization or even change its effect from decreasing to increasing.
Keywords
Contributors
author
  • Department of Theoretical Physics and Astrophysics, Faculty of Science, P.J. Šafárik University, Park Angelinum 9, 041 54 Košice, Slovak Republic
author
  • Department of Theoretical Physics and Astrophysics, Faculty of Science, P.J. Šafárik University, Park Angelinum 9, 041 54 Košice, Slovak Republic
author
  • Department of Theoretical Physics and Astrophysics, Faculty of Science, P.J. Šafárik University, Park Angelinum 9, 041 54 Košice, Slovak Republic
References
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  • 3. R.R. Netz, A.N. Berker, Phys. Rev. Lett. 66, 377 (1991)
  • 4. V. Hardy, M.R. Lees, O.A. Petrenko, D.M. Paul, D. Flahaut, S. Hébert, A. Maignan, Phys. Rev. B 70, 064424 (2004)
  • 5. X. Yao, S. Dong, H. Yu, J. Liu, Phys. Rev. B 74, 134421 (2006)
  • 6. T. Kaneyoshi, Acta Phys. Pol. A 83, 703 (1993)
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv118n5010kz
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