Hidden Order and Exotic Superconductivity in the Heavy-Fermion Compound URu2Si2

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. Th...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Okazaki, Ryuji (Autor)
Autor Corporativo: SpringerLink (Online service)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Tokyo : Springer Japan : Imprint: Springer, 2013.
Edición:1st ed. 2013.
Colección:Springer Theses, Recognizing Outstanding Ph.D. Research,
Temas:
Superconductivity.
Superconductors.
Low temperatures.
Optical materials.
Low Temperature Physics.
Optical Materials.
Acceso en línea:Texto Completo

MARC

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245 1 0 |a Hidden Order and Exotic Superconductivity in the Heavy-Fermion Compound URu2Si2  |h [electronic resource] /  |c by Ryuji Okazaki. 
250 |a 1st ed. 2013. 
264 1 |a Tokyo :  |b Springer Japan :  |b Imprint: Springer,  |c 2013. 
300 |a XIII, 102 p. 71 illus.  |b online resource. 
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490 1 |a Springer Theses, Recognizing Outstanding Ph.D. Research,  |x 2190-5061 
505 0 |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. 
520 |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. 
650 0 |a Superconductivity. 
650 0 |a Superconductors. 
650 0 |a Low temperatures. 
650 0 |a Optical materials. 
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650 2 4 |a Low Temperature Physics. 
650 2 4 |a Optical Materials. 
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776 0 8 |i Printed edition:  |z 9784431545934 
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950 |a Physics and Astronomy (SpringerNature-11651) 
950 |a Physics and Astronomy (R0) (SpringerNature-43715) 

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