Quantum Impurities in the Two-Dimensional Spin One-Half Heisenberg Antiferromagnet
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 spi...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2002-03, Vol.295 (5560), p.1691-1695 |
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| container_title | Science (American Association for the Advancement of Science) |
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| creator | Vajk, O. P. Mang, P. K. Greven, M. Gehring, P. M. Lynn, J. W. |
| description | 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. |
| doi_str_mv | 10.1126/science.1067110 |
| format | Article |
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1-z(Zn,Mg)zO
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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.</description><subject>Analysis</subject><subject>ANTIFERROMAGNETISM</subject><subject>Black holes</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Correlations</subject><subject>Critical points</subject><subject>Crystals</subject><subject>Electromagnetism</subject><subject>Encapsulation</subject><subject>Exact sciences and technology</subject><subject>General theory and models of magnetic ordering</subject><subject>Heisenberg uncertainty principle</subject><subject>IMPURITIES</subject><subject>Liquids</subject><subject>Magnetic properties and materials</subject><subject>Magnetism</subject><subject>PARTICLE ACCELERATORS</subject><subject>Penrose process</subject><subject>Physics</subject><subject>Polymers</subject><subject>Quantized spin models</subject><subject>Quantum mechanics</subject><subject>Quantum theory</subject><subject>SPIN</subject><subject>Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)</subject><subject>STANFORD LINEAR ACCELERATOR CENTER</subject><subject>STANFORD SYNCHROTRON RADIATION LABORATORY</subject><subject>SYNCHROTRON RADIATION</subject><issn>0036-8075</issn><issn>1095-9203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqN09GL0zAcB_AiijdPn30RqYLiw_UuaZo2eZxTt8Fw6J2-ljT9ZZejTWaSov735lzxmAxu5CGQ3ych_JJvkjzH6BzjvLzwUoORcI5RWWGMHiQTjDjNeI7Iw2SCECkzhip6kjzx_gahWOPkcXKCMatyRopJ8vXLIEwY-nTZbwengwafapOGa0ivftrsg-7BeG2N6NLLbSysDWQL0al0AdqDacBt0qkJWoFzthcbA-Fp8kiJzsOzcT5Nvn36eDVbZKv1fDmbrjLJChyyIi8qhbmChjCqWpmDEKCairSFaAhVMmeMY9bmom0oFQVtpQSkCl7lBW9yTk6TV7tzrQ-6jp0IIK-lNQZkqBnKK55H83Znts7-GMCHutdeQtcJA3bwdYULVlJa3gtJiauyZPRemEfGK4ojfP0fvLGDi42MBhPKygLd3u9shzaig1obZYMTcgMGnOisAaXj8pQRjovy75nZAR5HC72Wh_y7PR9JgF9hIwbv6-Xl56Pp-vvR9P38WMrmqz16dohK23WwgTp-ndl6j1_suHTWeweq3jrdC_e7xqi-zUY9ZqMesxF3vBwfZGh6aO_8GIYI3oxAeBn_uBNGan_nCC1Kzkh0L3buxgfr_tVJDBqvCPkDCpAb7Q</recordid><startdate>20020301</startdate><enddate>20020301</enddate><creator>Vajk, O. 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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.</abstract><cop>Washington, DC</cop><pub>American Society for the Advancement of Science</pub><pmid>11872834</pmid><doi>10.1126/science.1067110</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Science (American Association for the Advancement of Science), 2002-03, Vol.295 (5560), p.1691-1695 |
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| source | American Association for the Advancement of Science; Jstor Complete Legacy |
| subjects | Analysis ANTIFERROMAGNETISM 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 PARTICLE ACCELERATORS Penrose process Physics Polymers Quantized spin models Quantum mechanics Quantum theory SPIN Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.) STANFORD LINEAR ACCELERATOR CENTER STANFORD SYNCHROTRON RADIATION LABORATORY SYNCHROTRON RADIATION |
| title | Quantum Impurities in the Two-Dimensional Spin One-Half Heisenberg Antiferromagnet |
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