Spin-Lattice-Coupled Order in Heisenberg Antiferromagnets on the Pyrochlore Lattice
Effects of local lattice distortions on the spin ordering are investigated for the antiferromagnetic classical Heisenberg model on the pyrochlore lattice. It is found by Monte Carlo simulations that the spin-lattice coupling (SLC) originating from site phonons induces a first-order transition into t...
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| Veröffentlicht in: | Physical review letters 2016-06, Vol.116 (25), p.257201-257201, Article 257201 |
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| creator | Aoyama, Kazushi Kawamura, Hikaru |
| description | Effects of local lattice distortions on the spin ordering are investigated for the antiferromagnetic classical Heisenberg model on the pyrochlore lattice. It is found by Monte Carlo simulations that the spin-lattice coupling (SLC) originating from site phonons induces a first-order transition into two different types of collinear magnetic ordered states. The state realized at the stronger SLC is cubic symmetric characterized by the magnetic (1/2,1/2,1/2) Bragg peaks, while that at the weaker SLC is tetragonal symmetric characterized by the (1,1,0) ones, each accompanied by the commensurate local lattice distortions. Experimental implications to chromium spinels are discussed. |
| doi_str_mv | 10.1103/physrevlett.116.257201 |
| format | Article |
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It is found by Monte Carlo simulations that the spin-lattice coupling (SLC) originating from site phonons induces a first-order transition into two different types of collinear magnetic ordered states. The state realized at the stronger SLC is cubic symmetric characterized by the magnetic (1/2,1/2,1/2) Bragg peaks, while that at the weaker SLC is tetragonal symmetric characterized by the (1,1,0) ones, each accompanied by the commensurate local lattice distortions. Experimental implications to chromium spinels are discussed.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/physrevlett.116.257201</identifier><identifier>PMID: 27391746</identifier><language>eng</language><publisher>United States</publisher><subject>Computer simulation ; Coupling ; Distortion ; Lattices ; Monte Carlo methods ; Pyrochlores ; Spinel ; Symmetry</subject><ispartof>Physical review letters, 2016-06, Vol.116 (25), p.257201-257201, Article 257201</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c410t-31603e96e5fcfc3429264f4b1c613839ec0f86352255c9c77b34afa7e9da975d3</citedby><cites>FETCH-LOGICAL-c410t-31603e96e5fcfc3429264f4b1c613839ec0f86352255c9c77b34afa7e9da975d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,2876,2877,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27391746$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Aoyama, Kazushi</creatorcontrib><creatorcontrib>Kawamura, Hikaru</creatorcontrib><title>Spin-Lattice-Coupled Order in Heisenberg Antiferromagnets on the Pyrochlore Lattice</title><title>Physical review letters</title><addtitle>Phys Rev Lett</addtitle><description>Effects of local lattice distortions on the spin ordering are investigated for the antiferromagnetic classical Heisenberg model on the pyrochlore lattice. It is found by Monte Carlo simulations that the spin-lattice coupling (SLC) originating from site phonons induces a first-order transition into two different types of collinear magnetic ordered states. The state realized at the stronger SLC is cubic symmetric characterized by the magnetic (1/2,1/2,1/2) Bragg peaks, while that at the weaker SLC is tetragonal symmetric characterized by the (1,1,0) ones, each accompanied by the commensurate local lattice distortions. Experimental implications to chromium spinels are discussed.</description><subject>Computer simulation</subject><subject>Coupling</subject><subject>Distortion</subject><subject>Lattices</subject><subject>Monte Carlo methods</subject><subject>Pyrochlores</subject><subject>Spinel</subject><subject>Symmetry</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLw0AUhQdRbK3-hZKlm9Q7j8xklqWoFQItVtchmdy0kbycmQj990Za3bq6cPjOufARMqewoBT4Q384OotfNXo_BnLBIsWAXpApBaVDRam4JFMATkMNoCbkxrkPAKBMxtdkwhTXVAk5JbtdX7VhknlfGQxX3dDXWAQbW6ANqjZYY-WwzdHug2XrqxKt7Zps36J3QdcG_oDB9mg7c6g7i8F55pZclVnt8O58Z-T96fFttQ6TzfPLapmERlDwIacSOGqJUWlKwwXTTIpS5NRIymOu0UAZSx4xFkVGG6VyLrIyU6iLTKuo4DNyf9rtbfc5oPNpUzmDdZ212A0upRoE46BF_D8aA1NCxKBHVJ5QYzs3Oi7T3lZNZo8phfTHfbod3b_iVzK6HwOZntyPxfn5x5A3WPzVfmXzb9hYgrw</recordid><startdate>20160624</startdate><enddate>20160624</enddate><creator>Aoyama, Kazushi</creator><creator>Kawamura, Hikaru</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20160624</creationdate><title>Spin-Lattice-Coupled Order in Heisenberg Antiferromagnets on the Pyrochlore Lattice</title><author>Aoyama, Kazushi ; Kawamura, Hikaru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c410t-31603e96e5fcfc3429264f4b1c613839ec0f86352255c9c77b34afa7e9da975d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Computer simulation</topic><topic>Coupling</topic><topic>Distortion</topic><topic>Lattices</topic><topic>Monte Carlo methods</topic><topic>Pyrochlores</topic><topic>Spinel</topic><topic>Symmetry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Aoyama, Kazushi</creatorcontrib><creatorcontrib>Kawamura, Hikaru</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aoyama, Kazushi</au><au>Kawamura, Hikaru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spin-Lattice-Coupled Order in Heisenberg Antiferromagnets on the Pyrochlore Lattice</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2016-06-24</date><risdate>2016</risdate><volume>116</volume><issue>25</issue><spage>257201</spage><epage>257201</epage><pages>257201-257201</pages><artnum>257201</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>Effects of local lattice distortions on the spin ordering are investigated for the antiferromagnetic classical Heisenberg model on the pyrochlore lattice. It is found by Monte Carlo simulations that the spin-lattice coupling (SLC) originating from site phonons induces a first-order transition into two different types of collinear magnetic ordered states. The state realized at the stronger SLC is cubic symmetric characterized by the magnetic (1/2,1/2,1/2) Bragg peaks, while that at the weaker SLC is tetragonal symmetric characterized by the (1,1,0) ones, each accompanied by the commensurate local lattice distortions. Experimental implications to chromium spinels are discussed.</abstract><cop>United States</cop><pmid>27391746</pmid><doi>10.1103/physrevlett.116.257201</doi><tpages>1</tpages></addata></record> |
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| source | American Physical Society Journals |
| subjects | Computer simulation Coupling Distortion Lattices Monte Carlo methods Pyrochlores Spinel Symmetry |
| title | Spin-Lattice-Coupled Order in Heisenberg Antiferromagnets on the Pyrochlore Lattice |
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