71 citations · 243 across the 20 of their papers we have counts for
15 papers · 1 filter
The effect of - hybridization on the phase transition of cerium studied by lanthanum doping
Yong-Huan Wang, Yun Zhang, Yu Liu +19
The hybridization between the localized 4 level () with conduction () states in -Ce upon cooling has been previously revealed in single crystalline thin films experimen…
The first-principles research on the role of surface in the heavy fermion compound CeRhSi
Yue-Chao Wang, Yuan-Ji Xu, Yu Liu +6
In the heavy fermion materials, the characteristic energy scales of many exotic strongly correlated phenomena (Kondo effect, magnetic order, superconductivity, etc.) are at milli-e…
Kondo scenario of the γ-α phase transition in single crystalline Cerium thin films
Xie-Gang Zhu, Yu Liu, Ya-Wen Zhao +17
The physical mechanism driving the - phase transition of face-centre-cubic (fcc) cerium (Ce) remains controversial until now. In this work, high quality single crystalline fc…
Valence transition in topological Kondo insulator
Jia-Tao Zhuang, Xiao-Jun Zheng, Zhi-Yong Wang +4
We investigate the valence transition in three-dimensional topological Kondo insulator through slave-boson analysis of periodic Anderson model. By including the effect of intra-ato…
Magnetic and topological transitions in three-dimensional topological Kondo insulator
Huan Li, Zhi-Yong Wang, Xiao-Jun Zheng +2
By using an extended slave-boson method, we draw a global phase diagram summarizing both magnetic phases and paramagnetic (PM) topological insulating phases (TI) in three-dimen…
ARPES/STM study of the surface terminations and 5-electron character in URuSi
W. Zhang, H. Y. Lu, D. H. Xie +9
Hidden order in URuSi has remained a mystery now entering its 4th decade. The importance of resolving the nature of the hidden order has stimulated extensive research. Here…
classification for a novel antiferromagnetic topological insulating phase in three-dimensional topological Kondo insulator
Huan Li, Yin Zhong, Yu Liu +2
Antiferromagnetic topological insulator (AFTI) is a topological matter that breaks time-reversal symmetry. Since its proposal, explorations of AFTI in strong-correlated systems are…
Finite temperature physics of topological Kondo insulator: Stable Haldane phase, Emergent energy scale and Beyond
Yin Zhong, Yu Liu, Qin Wang +3
We have studied the one-dimensional -wave periodic Anderson model at finite temperature with the help of the numerically exact determinant quantum Monte Carlo simulation. It is…
Topological phase in topological Kondo insulator: topological insulator, Haldane-like phase and Kondo breakdown
Yin Zhong, Yu Liu, Hong-Gang Luo
We have simulated a half-filled -wave periodic Anderson model with numerically exact projector quantum Monte Carlo technique, and the system is indeed located in the Haldan…
Phase diagram of Kondo-Heisenberg model on honeycomb lattice with geometrical frustration
Huan Li, Hai-Feng Song, Yu Liu
We calculated the phase diagram of the Kondo-Heisenberg model on two-dimensional honeycomb lattice with both nearest-neighbor and next-nearest-neighbor antiferromagnetic spin excha…
Spatial interferences in the electron transport of heavy fermion materials
Shu-feng Zhang, Yu Liu, Hai-Feng Song +1
The scanning tunneling microscopy/spectroscopy and the point contact spectroscopy represent one of the major progresses in recent heavy fermion research. Both have revealed importa…
Charge dynamics of the antiferromagnetically ordered Mott insulator
X. J. Han, Y. Liu, Z. Y. Liu +5
We study the charge dynamics of the half-filled Hubbard model on the square lattice at zero temperature. We employ a slave-fermion formulation in which the charge degrees of freedo…
Three-dimensional bulk electronic structure of the Kondo lattice CeIn3 revealed by photoemission
Yun Zhang, Haiyan Lu, Xiegang Zhu +10
We show the three-dimensional electronic structure of the Kondo lattice CeIn3 using soft x-ray angle resolved photoemission spectroscopy in the paramagnetic state. For the first ti…
Phase evolution of the two-dimensional Kondo lattice model near half-filling
Huan Li, Yu Liu, Guangming Zhang +1
Within a mean-field approximation, the ground state and finite temperature phase diagrams of the two-dimensional Kondo lattice model have been carefully studied as functions of the…
D-wave superconductivity induced by short-range antiferromagnetic correlations in the two-dimensional Kondo lattice model
Yu Liu, Huan Li, Guang-Ming Zhang +1
The possible heavy fermion superconductivity is carefully reexamined in the two-dimensional Kondo lattice model with an antiferromagnetic Heisenberg superexchange between local mag…