25 citations · 129 across the 19 of their papers we have counts for
22 papers
Probing Collective and Individual Kondo Screening: Multi-Stage, Multi-Channel Kondo Effects in a -Symmetric Four-Impurity Model
Danqing Hu, Jiangfan Wang, Zixiang Hu +1
Collective screening has been proposed to underlie the basic physics of multi-impurity and lattice Kondo systems. But how to establish this picture and distinguish it from individu…
Topological phase transition driven by Hatsugai-Kohmoto interaction on the Kagome lattice
Zhuo-Xuan Yang, Jiangfan Wang
The interplay between band topology and strong correlations is central to modern condensed matter physics, but exact solutions are rare. Here, we present an exactly solvable model…
A unified theory of thin film and bulk bilayer nickelates
Jiangfan Wang, Yi-feng Yang
The discovery of bilayer nickelate superconductivity in both pressurized bulk and thin films has drawn enormous attention on their similarity and distinction. Here we provide a uni…
Interlayer pairing mechanism for bilayer nickelate superconductors
Jiangfan Wang, Yi-feng Yang
The discovery of superconductivity in Ruddlesden-Popper bilayer nickelates under both high pressure and ambient conditions has opened a new paradigm for exploring unconventional su…
Fermi liquid and isotropic superconductivity of Hund scenario for bilayer nickelates
Jiangfan Wang, Yi-feng Yang
Recent experiments on bulk and thin film bilayer nickelate high- superconductors urge for clarification of their pairing mechanism. Debates exist on whether the hybridization…
Highly asymmetric superconducting dome and strange metallicity in LaNiO
Jiangfan Wang, Yi-feng Yang
The recent discovery of high-temperature superconductivity in LaNiO under high pressure has stimulated intensive investigations concerning its paring mechanism and a co…
Frustrated superconductivity and intrinsic reduction of in trilayer nickelate
Qiong Qin, Jiangfan Wang, Yi-feng Yang
Identifying the key factors controlling the magnitude of is of critical importance in the pursuit of high-temperature superconductivity. In cuprates, reaches its maxima…
A Simple Solvable Model for Heavy Fermion Superconductivity from the Two-Fluid Normal State
Jiangfan Wang, Yu Li, Yi-feng Yang
We propose an exactly solvable momentum-space Kondo-BCS model to study heavy fermion superconductivity. The Kondo interaction is local in momentum space, which can be derived from…
Pair density wave, unconventional superconductivity, and non-Fermi liquid quantum critical phase in frustrated Kondo lattice
Jialin Chen, Jiangfan Wang, Yi-feng Yang
Motivated by the recent discovery of an intermediate quantum critical phase between the antiferromagnetic order and the Fermi liquid in the frustrated Kondo lattice CePdAl, we stud…
Pseudogap Behavior in the Local Spinon Spectrum of Power-Law Diverging Multichannel Kondo Model
Zuodong Yu, Danqing Hu, Jiangfan Wang +1
Motivated by the emergence of higher-order van Hove singularities (VHS) with power-law divergent density of states (DOS) (, ) in materials, we investigat…
Auxiliary-Bath Numerical Renormalization Group Method and Successive Collective Screening in Multi-Impurity Kondo Systems
Danqing Hu, Jiangfan Wang, Yi-feng Yang
We propose an auxiliary-bath algorithm for the numerical renormalization group (NRG) method to solve multi-impurity models with shared electron baths. The method allows us to disen…
Slave fermion interpretation of the pseudogap in doped Mott insulators
Zhuoqing Long, Jiangfan Wang, Yi-feng Yang
We apply the recently developed slave fermion approach to study the doped Mott insulator in the one-band Hubbard and Hubbard-Heisenberg models. Our results produce several subtle f…
Nonlocal Kondo effect and two-fluid picture revealed in an exactly solvable model
Jiangfan Wang, Yi-feng Yang
Understanding the nature of local-itinerant transition of strongly correlated electrons is one of the central problems in condensed matter physics. Heavy fermion systems describe t…
Dynamic charge Kondo effect and a slave fermion approach to the Mott transition
Zhuoqing Long, Jiangfan Wang, Yi-feng Yang
Mott transition plays a key role in strongly correlated physics but its nature is not yet fully understood. Motivated by recent development of Schwinger boson approach for the Kond…
Continuous ferromagnetic quantum phase transition on an anisotropic Kondo lattice
Jialin Chen, Jiangfan Wang, Danqing Hu +1
Motivated by the recent discovery of ferromagnetic quantum criticality in the heavy fermion compound CeRhGe, we develop a numerical algorithm of infinite projected entangle…
A unified theory of ferromagnetic quantum phase transitions in heavy fermion metals
Jiangfan Wang, Yi-feng Yang
Motivated by the recent discovery of a continuous ferromagnetic quantum phase transition in CeRhGe and its distinction from other U-based heavy fermion metals such as UGe$_…
Spin current Kondo effect in frustrated Kondo systems
Jiangfan Wang, Yi-feng Yang
Magnetic frustrations can enhance quantum zero-point motion in spin systems and lead to exotic topological insulating states. When coupled to mobile electrons, they may lead to unu…
Schwinger boson approach for the dynamical mean-field theory of the Kondo lattice
Rulei Han, Danqing Hu, Jiangfan Wang +1
We apply the dynamical large- Schwinger boson technique as an impurity solver for the dynamical mean-field theory (DMFT) calculations of the Kondo lattice model. Our approach ca…
Nonlocal Kondo effect and quantum critical phase in heavy fermion metals
Jiangfan Wang, Yi-feng Yang
Heavy fermion metals typically exhibit unconventional quantum critical point or quantum critical phase at zero temperature due to competition of Kondo effect and magnetism. Previou…
Strange metal in paramagnetic heavy-fermion Kondo lattice: Dynamical large-N fermionic multi-channel approach
Jiangfan Wang, Yung-Yeh Chang, Chung-Hou Chung
The mechanism of strange metal (SM) with unconventional charge transport near magnetic phase transitions has become an outstanding open problem in correlated electron systems. Rece…
Quantum phase transition in a two-dimensional Kondo-Heisenberg model: a Schwinger-boson large-N approach
Jiangfan Wang, Yung-Yeh Chang, Chung-Yu Mou +2
Strange metal behavior arises in heavy fermion metals close to antiferromagnetic transitions. An increasing amount of experiments indicates a link of such behavior to a Kondo break…
Concurrent intersection point of magnetization and magneto-conductivity curves in strongly fluctuating superconductors
Cheng Chi, Xujiang Jiang, Jiangfan Wang +2
The thermal fluctuations contribution to magnetization and magneto-conductivity of type II layered superconductor is calculated in the framework of Lawrence-Doniach model. For nume…