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Existence of Heavy Fermions in the Antiferromagnetic Phase of CeIn3

Title
Existence of Heavy Fermions in the Antiferromagnetic Phase of CeIn3
Authors
Iizuka, T[Iizuka, Takuya]Mizuno, T[Mizuno, Takafumi]Min, BH[Min, Byeong Hun]Kwon, YS[Kwon, Yong Seung]Kimura, S[Kimura, Shin-ichi]
DGIST Authors
Min, BH[Min, Byeong Hun]; Kwon, YS[Kwon, Yong Seung]
Issue Date
2012-04
Citation
Journal of the Physical Society of Japan, 81(4)
Type
Article
Article Type
Article
Keywords
CeIn3Electronic StructureOptical ConductivityQuantum Critical Point
ISSN
0031-9015
Abstract
We report the pressure-dependent optical conductivity spectra of the heavy-fermion (HF) compound CeIn 3 below the Néel temperature of 10 K to investigate the existence of the HF state in the antiferromagnetic (AFM) phase. The peak due to the interband transition in the hybridization gap between the conduction band and the nearly localized 4 f states (c-f hybridization) appears at a photon energy of about 20meV, not only in the HF regime but also in the AFM regime. Both the energy and intensity of the c-f hybridization peak continuously increase with the application of pressure from the AFM phase to the HF regime. This result suggests that c-f hybridization, as well as heavy fermions, exists even in the AFM phase of CeIn 3. © 2012 The Physical Society of Japan.
URI
http://hdl.handle.net/20.500.11750/3378
DOI
10.1143/JPSJ.81.043703
Publisher
Physical Society of Japan
Files:
There are no files associated with this item.
Collection:
Emerging Materials ScienceQuantum Functional Materials Laboratory1. Journal Articles


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