HEAVY-FERMION

作品数：7被引量：4H指数：1
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Electronic structure evolution accompanying heavy fermion formation in CeCu2Si2
《Science China(Physics,Mechanics & Astronomy)》2020年第8期123-131,共9页XueBing Luo Yun Zhang QiuYun Chen Qin Liu LiZhu Luo ShiYong Tan XieGang Zhu XinChun Lai 
supported by the National Natural Science Foundation of China(Grant No.11774320);the Dean Foundation of China Academy of Engineering Physics(Grant No.201501040)。
The cooper pairs in the heavy-fermion superconductor CeCu2Si2 are formed of heavy fermions.Therefore,the heavy fermions are fundamental to the emergence of unconventional superconductivity and associated non-Fermi-liq...
关键词：CeCu2Si2 heavy-fermion formation temperature electronic structure DFT+DMFT 
Hybridization Effects Revealed by Angle-Resolved Photoemission Spectroscopy in Heavy-Fermion Ce2IrIn8
《Chinese Physics Letters》2019年第9期36-40,共5页Haijiang Liu Yuanji Xu Yigui Zhong Jianyu Guan Lingyuan Kong Junzhang Ma Yaobo Huang Qiuyun Chen Genfu Chen Ming Shi Yi-feng Yang Hong Ding 
Supported by the National Key Research and Development Program of China under Grant Nos 2016YFA0401000,2015CB921300,2016YFA0300303,2016YFA0401002 and 2017YFA0303103;the National Natural Science Foundation of China under Grant Nos 11674371,11774401 and 11874330;the Strategic Priority Research Program(B)of the Chinese Academy of Sciences under Grant No XDB07000000;the Beijing Municipal Science and Technology Commission under Grant No Z171100002017018;the Hundred-Talent Program(type C)of the Chinese Academy of Sciences;the Sino-Swiss Science and Technology Cooperation under Grant No IZLCZ2-170075;the Swiss National Science Foundation under Grant No 200021-159678
We utilize high-resolution resonant angle-resolved photoemission spectroscopy(ARPES)to study the band structure and hybridization effect of the heavy-fermion compound Ce2 IrIn8.We observe a nearly flat band at the bin...
关键词：ARPES HYBRIDIZATION EFFECTS REVEALED by Angle-Resolved PHOTOEMISSION Spectroscopy in HEAVY-FERMION Ce2IrIn8 Ce 
Impurity-induced bound states as a signature of pairing symmetry in multiband superconducting CeCu2Si2被引量：1
《Frontiers of physics》2019年第1期99-104,共6页Dong-Dong Wang Bin Liu Min Liu Yi-Feng Yang Shi-Ping Feng 
supported by the National Natural Science Foundation of China under Grant Nos. 11774025,11774401, and 11522435;Y. Y. was also supported by the National Key R&D Program of China (Grant No. 2017YFA0303103);the Strategic Priority Research Program (B) of the Chinese cademy of Sciences (Grant No. XDB07020200);S. F. was supported by the Na-tional Key R&D Program of China (Grant No. 2016YFA0300304).
The notion of multiband superconductivity with dominant two-gap features has been recently applied to the unconventional superconductor CeCu2Si2 for challenging the previously accepted concept of nodal d-wave pairing....
关键词：HEAVY-FERMION SUPERCONDUCTIVITY PAIRING symmetry IMPURITY effect local density of states 
Quantum critical behavior in an antiferromagnetic heavy-fermion Kondo lattice system(Ce(1-x)Lax)2Ir3Ge5
《Chinese Physics B》2017年第1期438-443,共6页Rajwali Khan Qianhui Mao Hangdong Wang Jinhu Yang Jianhua Du Binjie Xu Yuxing Zhou Yannan Zhang Bing Chen Minghu Fang 
supported by the National Basic Research Program of China(Grant Nos.2016FYA0300402,2015CB921004,and 2012CB821404);the National Natural Science Foundation of China(Grant Nos.11374261 and 11204059)
The measurements on temperature dependences of magnetic susceptibility χ（T）, specific heat C（T）, and electrical resistivity ρ（T） were carried out for the antiferromagnetic（AFM）（Ce（1-x）Lax）2Ir3Ge5（0 ≤ x...
关键词：quantum critical point antiferromagnetic Kondo lattice system （Ce1-xLax）2Ir3Ge5 
Scaling behavior of the thermopower of the archetypal heavy-fermion metal YbRh2Si2被引量：1
《Frontiers of physics》2016年第2期89-95,共7页V. R. Shaginyan A. Z. Msezane G. S. Japaridze K. G. Popov J. W. Clark V. A. Khodel 
We reveal and explain the scaling behavior of the thermopower S/T exhibited by the archetypal heavy-fermion （HF） metal YbRh2Si2 under the application of magnetic field B at temperature T. We show that the same scali...
关键词：thermoelectric and thermomagnetic effects quantum phase transition flat bands non-Fermi-liquid states strongly correlated electron systems heavy fermions 
A Study of Heavy-Fermion Superconductors via BCS Equations Incorporating Chemical Potential被引量：2
《Journal of Modern Physics》2015年第9期1233-1242,共10页G. P. Malik 
Heavy-fermion superconductors (HFSCs) are regarded as outside the purview of BCS theory because it is usually constrained by the inequality , where EF, μ, kB, and θD are, respectively, the Fermi energy, chemical pot...
关键词：Range of Application of the BCS THEORY Incorporation of Chemical Potential into EQUATIONS for Tc and Δ0 Extended BCS THEORY HEAVY-FERMION Superconductors Ratio of the MASS of a Conduction ELECTRON and the Free ELECTRON MASS Density of Charge Carriers 
LANDAUS FERMI LIQUID THEORY OF HEAVY-FERMION SUPERCONDUCTING SYSTEMS
《Chinese Physics Letters》1987年第6期269-272,共4页FENG Shiping 
We have established a relation between the parameters of periodic Anderson model Hamiltonian and the Landau's phenomenological paramerters,and applied it to heavy-fermion superconducting systems.The calculated results...
关键词：CONCLUSION HAMILTONIAN FERMI 
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