Ferumi surface properties of CeIn around the critical pressure

Settai, Rikio*; Kubo, Tetsuo*; Matsuda, Tatsuma; Haga, Yoshinori ; Onuki, Yoshichika; Harima, Hisatomo*

We have studied a change of the Fermi surface in an antiferromagnet CeIn via the de Haas-van Alphen experiment under pressure up to 2.9 GPa. In the pressure region P = 2.6 GPa, we have observed a large main Fermi surface named , which indicates that the electronic state of 4 electron in CeIn changes from localized to itinerant at . The cyclotron effective mass of this main Fermi surface is extremely enhanced around .

Language	:	English
Journal	:	Journal of the Physical Society of Japan
Volume	:	75
Number	:	Suppl.
Pages	:	p.167 - 169
Publication Year/Month	:	2006/08
Meeting title	:	5th International Symposium on Advanced Science Research in Celebration of the World Year of Physics 2005 (ASR-WYP-2005)
Held date	:	2005/09
Location (city)	:	Tokai
Location (country)	:	Japan
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Keywords	:	no keyword
Research Facility	:	第4研究棟
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Cooperating Institute	:	大阪大学

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Registration No. : BB20070018
JAEA Abstracts No. : 35000771
Paper Submission No. : 2264

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