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03162nam a22005295i 4500 |
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978-4-431-54592-7 |
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20151031131022.0 |
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131128s2013 ja | s |||| 0|eng d |
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|a 9784431545927
|9 978-4-431-54592-7
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|a 10.1007/978-4-431-54592-7
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|a 530.41
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|a Okazaki, Ryuji.
|e author.
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|a Hidden Order and Exotic Superconductivity in the Heavy-Fermion Compound URu2Si2
|h [electronic resource] /
|c by Ryuji Okazaki.
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|a Tokyo :
|b Springer Japan :
|b Imprint: Springer,
|c 2013.
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|a XIII, 102 p. 71 illus.
|b online resource.
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|a text
|b txt
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|a computer
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|a online resource
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|a text file
|b PDF
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|a Springer Theses, Recognizing Outstanding Ph.D. Research,
|x 2190-5053
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|a Introduction -- Heavy-Fermion Superconductor URu2Si2 -- Magnetic torque Study on the Hidden-Order Phase -- Lower Critical Field Study on the Superconducting Phase -- Vortex Lattice Melting Transition -- Conclusion.
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|a In this thesis, the author investigates hidden-order phase transition at T0 = 17.5 K in the heavy-fermion URu2Si2. The four-fold rotational symmetry breaking in the hidden order phase, which imposes a strong constraint on the theoretical model, is observed through the magnetic torque measurement. The translationally invariant phase with broken rotational symmetry is interpreted as meaning that the hidden-order phase is an electronic “nematic” phase. The observation of such nematicity in URu2Si2 indicates a ubiquitous nature among the strongly correlated electron systems. The author also studies the superconducting state of URu2Si2 below Tc = 1.4 K, which coexists with the hidden-order phase. A peculiar vortex penetration in the superconducting state is found, which may be related to the rotational symmetry breaking in the hidden-order phase. The author also identifies a vortex lattice melting transition. This transport study provides essential clues to the underlying issue of quasiparticle dynamics as to whether a quasiparticle Bloch state is realized in the periodic vortex lattice.
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|a Physics.
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|a Superconductivity.
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| 650 |
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|a Superconductors.
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|a Low temperature physics.
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|a Low temperatures.
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|a Optical materials.
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|a Electronic materials.
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|a Physics.
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|a Strongly Correlated Systems, Superconductivity.
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|a Low Temperature Physics.
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|a Optical and Electronic Materials.
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|a SpringerLink (Online service)
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|t Springer eBooks
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|i Printed edition:
|z 9784431545910
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| 830 |
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|a Springer Theses, Recognizing Outstanding Ph.D. Research,
|x 2190-5053
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|u http://dx.doi.org/10.1007/978-4-431-54592-7
|z Full Text via HEAL-Link
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|a ZDB-2-PHA
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|a Physics and Astronomy (Springer-11651)
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