Hybridization and Magnetic Ground States  in Heavy Fermion Compound CeRhIn<suB>5</suB>

Chin. Phys. Lett.

2005, Vol. 22

Issue (2): 460-462 DOI:

Original Articles

Hybridization and Magnetic Ground States in Heavy Fermion Compound CeRhIn₅

XU Ying^1,2;WANG Jiang-Long¹;ZENG Zhi¹

¹Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031 ²Department of Physics, Jiangxi Normal University, Nanchang 330027

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XU Ying, WANG Jiang-Long, ZENG Zhi 2005 Chin. Phys. Lett. 22 460-462

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Abstract The magnetic properties of CeRhIn₅ are studied by first-principles calculation. Spin-orbit coupling is considered as well as different corrections including local density approximation plus on-site Coulomb interaction U (U=1, 1.5, 3eV) and orbital polarization. The results show the existence of only moderate correlation in CeRhIn₅ and Ce-4f electrons are on the border of localization and itinerancy. The effect of pressure by changing the volume of the unit cell is also studied.

Keywords: 74.25.Jb 74.70.Tx 75.30.Gw

Published: 01 February 2005

PACS:	74.25.Jb	(Electronic structure (photoemission, etc.))
	74.70.Tx 75.30.Gw

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2005/V22/I2/0460

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	XU Ying
	WANG Jiang-Long
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