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Field induced magnetic phase transition as a magnon Bose Einstein condensation

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Title: Field induced magnetic phase transition as a magnon Bose Einstein condensation
Authors: Radu, Teodora1,2 tradu@phys.ubbcluj.ro, Tokiwa, Yoshifumi1, Coldea, Radu3, Gegenwart, Philipp1, Tylczynski, Z.4, Steglich, Frank1
Source: Science & Technology of Advanced Materials. Jul2007, Vol. 8 Issue 5, p406-409. 4p.
Subjects: Bose-Einstein condensation, Ferromagnetism, Magnons, Antiferromagnetism, Ferromagnetic materials, Magnetism
Abstract: Abstract: We report specific heat, magnetocaloric effect and magnetization measurements on single crystals of the frustrated quasi-2D spin antiferromagnet in the external magnetic field along -axis and in the temperature range . Decreasing the applied magnetic field B from high fields leads to the closure of the field induced gap in the magnon spectrum at a critical field and a long-range incommensurate state below . In the vicinity of , the phase transition boundary is well described by the power law with the measured critical exponent . These findings provide experimental evidence that the scaling law of the transition temperature can be described by the universality class of 3D Bose–Einstein condensation (BEC) of magnons. [Copyright &y& Elsevier]
Copyright of Science & Technology of Advanced Materials is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 26585032
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Field induced magnetic phase transition as a magnon Bose Einstein condensation
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  Data: <searchLink fieldCode="JN" term="%22Science+%26+Technology+of+Advanced+Materials%22">Science & Technology of Advanced Materials</searchLink>. Jul2007, Vol. 8 Issue 5, p406-409. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Bose-Einstein+condensation%22">Bose-Einstein condensation</searchLink><br /><searchLink fieldCode="DE" term="%22Ferromagnetism%22">Ferromagnetism</searchLink><br /><searchLink fieldCode="DE" term="%22Magnons%22">Magnons</searchLink><br /><searchLink fieldCode="DE" term="%22Antiferromagnetism%22">Antiferromagnetism</searchLink><br /><searchLink fieldCode="DE" term="%22Ferromagnetic+materials%22">Ferromagnetic materials</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetism%22">Magnetism</searchLink>
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  Data: Abstract: We report specific heat, magnetocaloric effect and magnetization measurements on single crystals of the frustrated quasi-2D spin antiferromagnet in the external magnetic field along -axis and in the temperature range . Decreasing the applied magnetic field B from high fields leads to the closure of the field induced gap in the magnon spectrum at a critical field and a long-range incommensurate state below . In the vicinity of , the phase transition boundary is well described by the power law with the measured critical exponent . These findings provide experimental evidence that the scaling law of the transition temperature can be described by the universality class of 3D Bose–Einstein condensation (BEC) of magnons. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Science & Technology of Advanced Materials is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.stam.2007.06.004
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      – Code: eng
        Text: English
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        PageCount: 4
        StartPage: 406
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        Type: general
      – SubjectFull: Ferromagnetism
        Type: general
      – SubjectFull: Magnons
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      – TitleFull: Field induced magnetic phase transition as a magnon Bose Einstein condensation
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              Text: Jul2007
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