Chin. Phys. Lett.  2005, Vol. 22 Issue (2): 460-462    DOI:
Original Articles |
Hybridization and Magnetic Ground States in Heavy Fermion Compound CeRhIn5
XU Ying1,2;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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