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Title: Hidden order in
Authors: Bourdarot, F.1, Bombardi, A.2, Burlet, P.1, Enderle, M.3, Flouquet, J.1, Lejay, P.4, Kernavanois, N.3, Mineev, V.P.1, Paolasini, L.2, Zhitomirsky, M.E.1, Fåk, B.1 fak@cea.fr
Source: Physica B. Apr2005, Vol. 359-361, p986-993. 8p.
Subjects: Neutron scattering, Superconductors, Phase transitions, Temperature measurements
Abstract: Abstract: Neutron-scattering and specific-heat measurements of the heavy-fermion superconductor under hydrostatic pressure and with Rh-doping, , show the existence of two magnetic phase transitions. At , a second-order phase transition with strong anomalies in the specific heat and other macroscopic and transport properties are accompanied by an antiferromagnetically ordered dipolar moment of only . At under pressure, , or small Rh doping, a first-order phase transition gives rise to small anomalies in the specific heat and a large ordered moment of , but with the same magnetic structure. The results can be understood in terms of a hidden order parameter , which is linearly coupled to the ordered moment m. It follows that m and have the same symmetry and hence both break time-reversal symmetry. [Copyright &y& Elsevier]
Copyright of Physica B is the property of Elsevier B.V. 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: 17864967
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
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  Data: Hidden order in
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  Data: <searchLink fieldCode="AR" term="%22Bourdarot%2C+F%2E%22">Bourdarot, F.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Bombardi%2C+A%2E%22">Bombardi, A.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Burlet%2C+P%2E%22">Burlet, P.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Enderle%2C+M%2E%22">Enderle, M.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Flouquet%2C+J%2E%22">Flouquet, J.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Lejay%2C+P%2E%22">Lejay, P.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Kernavanois%2C+N%2E%22">Kernavanois, N.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Mineev%2C+V%2EP%2E%22">Mineev, V.P.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Paolasini%2C+L%2E%22">Paolasini, L.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhitomirsky%2C+M%2EE%2E%22">Zhitomirsky, M.E.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Fåk%2C+B%2E%22">Fåk, B.</searchLink><relatesTo>1</relatesTo><i> fak@cea.fr</i>
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  Data: <searchLink fieldCode="JN" term="%22Physica+B%22">Physica B</searchLink>. Apr2005, Vol. 359-361, p986-993. 8p.
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  Data: Abstract: Neutron-scattering and specific-heat measurements of the heavy-fermion superconductor under hydrostatic pressure and with Rh-doping, , show the existence of two magnetic phase transitions. At , a second-order phase transition with strong anomalies in the specific heat and other macroscopic and transport properties are accompanied by an antiferromagnetically ordered dipolar moment of only . At under pressure, , or small Rh doping, a first-order phase transition gives rise to small anomalies in the specific heat and a large ordered moment of , but with the same magnetic structure. The results can be understood in terms of a hidden order parameter , which is linearly coupled to the ordered moment m. It follows that m and have the same symmetry and hence both break time-reversal symmetry. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Physica B is the property of Elsevier B.V. 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.physb.2005.01.318
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              Text: Apr2005
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