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Field-induced quantum phase transition in the quasi 1D XY-like antiferromagnet Cs2CoCl4

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Title: Field-induced quantum phase transition in the quasi 1D XY-like antiferromagnet Cs2CoCl4
Authors: Mukherjee, C.J.1 c.mukherjee1@physics.ox.ac.uk, Coldea, R.1, Tennant, D.A.1,2, Koza, M.3, Enderle, M.3, Habicht, K.4, Smeibidl, P.4, Tylczynski, Z.5
Source: Journal of Magnetism & Magnetic Materials. May2004, Vol. 272-276, p920-921. 2p.
Subjects: Antiferromagnetism, Quantum theory, Electronic excitation, Magnons
Abstract: We explore the magnetic excitations as a function of applied field in the quasi 1D s=1/2 XY-like magnet Cs2CoCl4. A transition from spin–flop antiferromagnetic order to a quantum paramagnet occurs at the critical field BC=2.15 T and fields higher than 2.5 T fully align the spins along the field. In the spin–flop phase gapped scattering continua dominate, identified with the creation of pairs of quantum domain walls. In the saturated phase sharp peaks are observed, as expected for magnons in a ferromagnetically ordered ground state. [Copyright &y& Elsevier]
Copyright of Journal of Magnetism & Magnetic Materials 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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DbLabel: Engineering Source
An: 13242738
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Field-induced quantum phase transition in the quasi 1D XY-like antiferromagnet <f>Cs<subscript>2</subscript>CoCl<subscript>4</subscript></f>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Magnetism+%26+Magnetic+Materials%22">Journal of Magnetism & Magnetic Materials</searchLink>. May2004, Vol. 272-276, p920-921. 2p.
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  Data: <searchLink fieldCode="DE" term="%22Antiferromagnetism%22">Antiferromagnetism</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+theory%22">Quantum theory</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+excitation%22">Electronic excitation</searchLink><br /><searchLink fieldCode="DE" term="%22Magnons%22">Magnons</searchLink>
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  Data: We explore the magnetic excitations as a function of applied field in the quasi 1D <f>s=1/2</f> <f>XY</f>-like magnet <f>Cs2CoCl4</f>. A transition from spin–flop antiferromagnetic order to a quantum paramagnet occurs at the critical field <f>BC=2.15 T</f> and fields higher than <f>2.5 T</f> fully align the spins along the field. In the spin–flop phase gapped scattering continua dominate, identified with the creation of pairs of quantum domain walls. In the saturated phase sharp peaks are observed, as expected for magnons in a ferromagnetically ordered ground state. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Journal of Magnetism & Magnetic Materials 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.jmmm.2003.12.1115
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        Text: English
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      – SubjectFull: Quantum theory
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      – SubjectFull: Electronic excitation
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      – SubjectFull: Magnons
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      – TitleFull: Field-induced quantum phase transition in the quasi 1D XY-like antiferromagnet <f>Cs2CoCl4</f>
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