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  Scaling of the magnetic entropy and magnetization in YbRh2(Si0.95Ge0.05)2

Gegenwart, P., Tokiwa, Y., Neumaier, K., Geibel, C., & Steglich, F. (2005). Scaling of the magnetic entropy and magnetization in YbRh2(Si0.95Ge0.05)2. Physica B-Condensed Matter, 359-361, 23-25. doi:10.1016/j.physb.2004.12.044.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-2CF5-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-2CCC-A
Genre: Journal Article

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 Creators:
Gegenwart, P.1, Author              
Tokiwa, Y.2, Author              
Neumaier, K., Author
Geibel, C.3, Author              
Steglich, F.4, Author              
Affiliations:
1Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
2Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
3Christoph Geibel, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863465              
4Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863467              

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 Abstract: The magnetic entropy of YbRh2(Si0.95Ge0.05)2YbRh2(Si0.95Ge0.05)2 is derived from low-temperature View the MathML source(T⩾18mK) specific heat measurements. Upon field tuning the system to its antiferromagnetic quantum critical point unique temperature over magnetic field scaling is observed indicating the disintegration of heavy quasiparticles. The field dependence of the entropy equals the temperature dependence of the DC-magnetization as expected from the Maxwell relation. This proves that the quantum-critical fluctuations affect the thermal and magnetic properties in a consistent way.

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Language(s): eng - English
 Dates: 2005-04-30
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 242011
DOI: 10.1016/j.physb.2004.12.044
 Degree: -

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Title: Physica B-Condensed Matter
  Other : Physica B
Source Genre: Journal
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Publ. Info: Amsterdam : North-Holland
Pages: - Volume / Issue: 359-361 Sequence Number: - Start / End Page: 23 - 25 Identifier: ISSN: 0921-4526
CoNE: https://pure.mpg.de/cone/journals/resource/954928575733