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Quantum Impurities in the Two-Dimensional Spin One-Half Heisenberg Antiferromagnet

Vajk, O. P. ; Mang, P. K. ; Greven, M. ; Gehring, P. M. ; Lynn, J. W.

Science (American Association for the Advancement of Science), 2002-03, Vol.295 (5560), p.1691-1695 [Periódico revisado por pares]

Washington, DC: American Society for the Advancement of Science

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Título:
Quantum Impurities in the Two-Dimensional Spin One-Half Heisenberg Antiferromagnet
Autor: Vajk, O. P. ; Mang, P. K. ; Greven, M. ; Gehring, P. M. ; Lynn, J. W.
Assuntos: Analysis ; Black holes ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Correlations ; Critical points ; Crystals ; Electromagnetism ; Encapsulation ; Exact sciences and technology ; General theory and models of magnetic ordering ; Heisenberg uncertainty principle ; Impurities ; Liquids ; Magnetic properties and materials ; Magnetism ; Penrose process ; Physics ; Polymers ; Quantized spin models ; Quantum mechanics ; Quantum theory ; Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)
É parte de: Science (American Association for the Advancement of Science), 2002-03, Vol.295 (5560), p.1691-1695
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ObjectType-Article-1
ObjectType-Feature-2
Descrição: The study of randomness in low-dimensional quantum antiferromagnets is at the forefront of research in the field of strongly correlated electron systems, yet there have been relatively few experimental model systems. Complementary neutron scattering and numerical experiments demonstrate that the spin-diluted Heisenberg antiferromagnet La2Cu 1-z(Zn,Mg)zO 4is an excellent model material for square-lattice site percolation in the extreme quantum limit of spin one-half. Measurements of the ordered moment and spin correlations provide important quantitative information for tests of theories for this complex quantum-impurity problem.
Editor: Washington, DC: American Society for the Advancement of Science
Idioma: Inglês

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Quantum Impurities in the Two-Dimensional Spin One-Half Heisenberg Antiferromagnet

Vajk, O. P. ; Mang, P. K. ; Greven, M. ; Gehring, P. M. ; Lynn, J. W.

Washington, DC: American Society for the Advancement of Science

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