Spin Hamiltonian, Competing Small Energy Scales and Incommensurate Long Range Order in the Highly Frustrated Gd3Ga5O12 Garnet Antiferromagnet
Phys. Rev. Lett. 97, 267203 (2006) Despite the availability of a spin Hamiltonian for the Gd3Ga5O12 garnet (GGG) for over twenty five years, there has so far been little theoretical insight regarding the many unusual low temperature properties of GGG. Here we investigate GGG in zero magnetic field u...
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| creator | Yavors'kii, Taras Enjalran, Matthew Gingras, Michel J. P |
| description | Phys. Rev. Lett. 97, 267203 (2006) Despite the availability of a spin Hamiltonian for the Gd3Ga5O12 garnet (GGG)
for over twenty five years, there has so far been little theoretical insight
regarding the many unusual low temperature properties of GGG. Here we
investigate GGG in zero magnetic field using mean-field theory. We reproduce
the spin liquid-like correlations and, most importantly, explain the positions
of the sharp peaks seen in powder neutron diffraction experiments. We show that
it is crucial to treat accurately the long-range nature of the magnetic dipolar
interactions to allow for a determination of the small exchange energy scales
involved in the selection of the experimental ordering wave vector. Our results
show that the incommensurate order in GGG is classical in nature, intrinsic to
the microscopic spin Hamiltonian and not caused by weak disorder. |
| doi_str_mv | 10.48550/arxiv.cond-mat/0511403 |
| format | Article |
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for over twenty five years, there has so far been little theoretical insight
regarding the many unusual low temperature properties of GGG. Here we
investigate GGG in zero magnetic field using mean-field theory. We reproduce
the spin liquid-like correlations and, most importantly, explain the positions
of the sharp peaks seen in powder neutron diffraction experiments. We show that
it is crucial to treat accurately the long-range nature of the magnetic dipolar
interactions to allow for a determination of the small exchange energy scales
involved in the selection of the experimental ordering wave vector. Our results
show that the incommensurate order in GGG is classical in nature, intrinsic to
the microscopic spin Hamiltonian and not caused by weak disorder.</description><identifier>DOI: 10.48550/arxiv.cond-mat/0511403</identifier><language>eng</language><subject>Physics - Materials Science ; Physics - Statistical Mechanics</subject><creationdate>2005-11</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,776,881</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/cond-mat/0511403$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.1103/PhysRevLett.97.267203$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.48550/arXiv.cond-mat/0511403$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Yavors'kii, Taras</creatorcontrib><creatorcontrib>Enjalran, Matthew</creatorcontrib><creatorcontrib>Gingras, Michel J. P</creatorcontrib><title>Spin Hamiltonian, Competing Small Energy Scales and Incommensurate Long Range Order in the Highly Frustrated Gd3Ga5O12 Garnet Antiferromagnet</title><description>Phys. Rev. Lett. 97, 267203 (2006) Despite the availability of a spin Hamiltonian for the Gd3Ga5O12 garnet (GGG)
for over twenty five years, there has so far been little theoretical insight
regarding the many unusual low temperature properties of GGG. Here we
investigate GGG in zero magnetic field using mean-field theory. We reproduce
the spin liquid-like correlations and, most importantly, explain the positions
of the sharp peaks seen in powder neutron diffraction experiments. We show that
it is crucial to treat accurately the long-range nature of the magnetic dipolar
interactions to allow for a determination of the small exchange energy scales
involved in the selection of the experimental ordering wave vector. Our results
show that the incommensurate order in GGG is classical in nature, intrinsic to
the microscopic spin Hamiltonian and not caused by weak disorder.</description><subject>Physics - Materials Science</subject><subject>Physics - Statistical Mechanics</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNqNj0GKwkAQRXvjQsY5g7VxN2piDMx2EE0GBMG4D0W6bBu6q0OlFXOIufNE8QCuPh8en_-UmqbJYv2d58kS5W5viyawnnuMyyRP03WSjdVf1VqGEr11MbBF_oJN8C1FywYqj87BlklMD1WDjjpA1vDLTfCeuLsKRoJ9GNgjsiE4iCaBYTFeCEprLq6HnVy7-AA1FDorMD-kKyhQmCL8cLRnEgkezdAnanRG19HnKz_UbLc9bcr5837divUoff3QqAeN-qWRvcv9AxgiWkQ</recordid><startdate>20051116</startdate><enddate>20051116</enddate><creator>Yavors'kii, Taras</creator><creator>Enjalran, Matthew</creator><creator>Gingras, Michel J. P</creator><scope>GOX</scope></search><sort><creationdate>20051116</creationdate><title>Spin Hamiltonian, Competing Small Energy Scales and Incommensurate Long Range Order in the Highly Frustrated Gd3Ga5O12 Garnet Antiferromagnet</title><author>Yavors'kii, Taras ; Enjalran, Matthew ; Gingras, Michel J. P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-arxiv_primary_cond_mat_05114033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Physics - Materials Science</topic><topic>Physics - Statistical Mechanics</topic><toplevel>online_resources</toplevel><creatorcontrib>Yavors'kii, Taras</creatorcontrib><creatorcontrib>Enjalran, Matthew</creatorcontrib><creatorcontrib>Gingras, Michel J. P</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yavors'kii, Taras</au><au>Enjalran, Matthew</au><au>Gingras, Michel J. P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spin Hamiltonian, Competing Small Energy Scales and Incommensurate Long Range Order in the Highly Frustrated Gd3Ga5O12 Garnet Antiferromagnet</atitle><date>2005-11-16</date><risdate>2005</risdate><abstract>Phys. Rev. Lett. 97, 267203 (2006) Despite the availability of a spin Hamiltonian for the Gd3Ga5O12 garnet (GGG)
for over twenty five years, there has so far been little theoretical insight
regarding the many unusual low temperature properties of GGG. Here we
investigate GGG in zero magnetic field using mean-field theory. We reproduce
the spin liquid-like correlations and, most importantly, explain the positions
of the sharp peaks seen in powder neutron diffraction experiments. We show that
it is crucial to treat accurately the long-range nature of the magnetic dipolar
interactions to allow for a determination of the small exchange energy scales
involved in the selection of the experimental ordering wave vector. Our results
show that the incommensurate order in GGG is classical in nature, intrinsic to
the microscopic spin Hamiltonian and not caused by weak disorder.</abstract><doi>10.48550/arxiv.cond-mat/0511403</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Materials Science Physics - Statistical Mechanics |
| title | Spin Hamiltonian, Competing Small Energy Scales and Incommensurate Long Range Order in the Highly Frustrated Gd3Ga5O12 Garnet Antiferromagnet |
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