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  Novel types of quantum criticality in heavy-fermion systems

Gegenwart, P., Steglich, F., Geibel, C., & Brando, M. (2015). Novel types of quantum criticality in heavy-fermion systems. European Physical Journal - Special Topics, 224(6), 975-996. doi:10.1140/epjst/e2015-02442-7.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-4FED-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-17B8-6
Genre: Journal Article

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 Creators:
Gegenwart, P.1, Author
Steglich, F.2, Author              
Geibel, C.3, Author              
Brando, M.4, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863467              
3Christoph Geibel, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863465              
4Manuel Brando, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863469              

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 Abstract: Quantum criticality arises from continuous changes of matter at absolute zero temperature. It can have vast reaching influence on wide regions of phase space and is often connected to the occurrence of non-Fermi liquid behavior and unconventional superconductivity. Various different types of quantum criticality have been observed over the last years and 4f-electron based heavy-fermion metals have become prototype materials in which quantum criticality is easily realized by application of pressure or magnetic field, as well as suitable changes in chemical composition. Using low-temperature thermodynamic, magnetic and transport experiments on clean prototype materials we investigate novel types of quantum criticality arising from ferromagnetic fluctuations and strong geometrical frustration, as well as quantum criticality hidden by unconventional superconductivity.

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Language(s): eng - English
 Dates: 2015-07-032015-07-03
 Publication Status: Published in print
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Title: European Physical Journal - Special Topics
  Abbreviation : Eur. Phys. J. Spec. Top.
Source Genre: Journal
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Publ. Info: Berlin, Heidelberg : Springer
Pages: - Volume / Issue: 224 (6) Sequence Number: - Start / End Page: 975 - 996 Identifier: ISSN: 1951-6355
CoNE: /journals/resource/1000000000277330