44 citations · 404 across the 45 of their papers we have counts for
45 papers
Tilt-controlled Drude anisotropy in nodal-line semimetals: logarithmic enhancement, interband correction, gauge consistency, and the Landau-damping window
Wei Li, Jing-Rong Wang
We study the anisotropic charge response of a three-dimensional tilted nodal-line semimetal in which the tilt enters the spectrum through an identity term and acts as the model con…
Plasmon modes in quadratic and cubic nodal line semimetals
Wei Li, Jing-Rong Wang
Nodal line semimetals (NLSMs) host distinctive topological properties and unconventional collective excitations. While plasmons in linear NLSMs are well studied, those of higher-or…
Superconductivity near an Ising nematic quantum critical point in two dimensions
Jie Huang, Zhao-Kun Yang, Jing-Rong Wang +1
Near a two-dimensional Ising-type nematic quantum critical point, the quantum fluctuations of the nematic order parameter are coupled to the electrons, leading to non-Fermi liquid…
Correlated interaction effects in an anisotropic flat band fermion system
Jing-Rong Wang, Chang-Jin Zhang
An anisotropic flat band fermion system with a novel dispersion that is linear along one direction and cubic along another is proposed in Phys. Rev. X. 13, 021012 (2023). We study…
Comment on "Emergence of Nodal-Knot Transitions by Disorder"
Jing-Rong Wang
In a recent paper arXiv:2409.01034, Gong et al. studied the disorder effects in nodal-knot semimetal through Wilson momentum-shell renormalization group (RG) method. They stated th…
Reply to "Comment on `Towards exact solutions of superconducting induced by electron-phonon interaction' "
Guo-Zhu Liu, Zhao-Kun Yang, Xiao-Yin Pan +4
In a series of papers, we have proposed a non-perturbative field-theoretic approach to deal with strong electron-phonon and strong Coulomb interactions. The key ingredient of such…
Superfluid quantum criticality and the thermal evolution of neutron stars
Hao-Fu Zhu, Guo-Zhu Liu, Jing-Rong Wang +1
The neutron star starts to cool down shortly after its birth by emitting neutrinos. As it becomes cold enough, the Cooper pairs of neutrons are formed, triggering a superfluid tran…
Fate of higher-order topological insulator under Coulomb interaction
Jing-Rong Wang, Chang-Jin Zhang
In this article, we study the influence of long-range Coulomb interaction on three-dimensional second-order topological insulator (TI) by renormalization group theory. We find that…
Correlated interaction effects in three-dimensional semi-Dirac semimetal
Jing-Rong Wang, Wei Li, Chang-Jin Zhang
Understanding the correlation effects in unconventional topological materials, in which the fermion excitations take unusual dispersion, is an important topic in recent condensed m…
Possible instabilities in quadratic and cubic nodal line fermion systems with correlated interactions
Jing-Rong Wang, Wei Li, Chang-Jin Zhang
Influence of short-range four-fermion interactions on quadratic and cubic nodal line fermion systems is studied by renormalization group theory. It is found that arbitrarily weak f…
Towards exact solutions for the superconducting induced by electron-phonon interaction
Guo-Zhu Liu, Zhao-Kun Yang, Xiao-Yin Pan +1
Electron-phonon interaction plays an important role in metals and can lead to superconductivity and other instabilities. Previous theoretical studies on superconductivity are large…
Quantum Criticality of Excitonic Insulating Transition in Nodal Line Semimetal ZrSiS
Jing-Rong Wang, Guo-Zhu Liu, Xiangang Wan +1
Pezzini et al. reported an unconventional mass enhancement in topological nodal line semimetal ZrSiS (Nat. Phys. 14, 178 (2018), whose origin remains puzzling. In this material, st…
Excitonic pairing of two-dimensional Dirac fermions near the antiferromagnetic quantum critical point
Hai-Xiao Xiao, Jing-Rong Wang, Zheng-Wei Wu +1
Two-dimensional Dirac fermions are subjected to two types of interactions, namely the long-range Coulomb interaction and the short-range on-site interaction. The former induces exc…
Effects of the Dirac cone tilt in two-dimensional Dirac semimetal
Zhao-Kun Yang, Jing-Rong Wang, Guo-Zhu Liu
Two-dimensional Dirac semimetal with tilted Dirac cone has recently attracted increasing interest. Tilt of Dirac cone can be realized in a number of materials, including deformed g…
Quantum critical phenomena of the excitonic insulating transition in two dimensions
Xiao-Yin Pan, Jing-Rong Wang, Guo-Zhu Liu
We study the quantum criticality of the phase transition between the Dirac semimetal and the excitonic insulator in two dimensions. Even though the system has a semimetallic ground…
Topological quantum critical point in a triple-Weyl semimetal: non-Fermi-liquid behaviors and instabilities
Jing-Rong Wang, Guo-Zhu Liu, Chang-Jin Zhang
We study the quantum critical phenomena emerging at the transition from triple-Weyl semimetal to band insulator, which is a topological phase transition described by the change of…
Global phase diagram of Coulomb-interacting anisotropic Weyl semimetals with disorder
Jing-Rong Wang, Wei Li, Gang Wang +1
Taking into account the interplay between the disorder and Coulomb interaction, the phase diagram of three-dimensional anisotropic Weyl semimetal is studied by renormalization grou…
Phase transition with trivial quantum criticality in anisotropic Weyl semimetal
Xin Li, Jing-Rong Wang, Guo-Zhu Liu
When a metal undergoes continuous quantum phase transition, the correlation length diverges at the critical point and the quantum fluctuation of order parameter behaves as a gaples…
Robustness of the semimetal state of Na3Bi and Cd3As2 against Coulomb interaction
Hai-Xiao Xiao, Jing-Rong Wang, Guo-Zhu Liu +1
We study the excitonic semimetal-insulator quantum phase transition in three-dimensional Dirac semimetal in which the fermion dispersion is strongly anisotropic. After solving the…
Dynamical gap generation in 2D Dirac semimetal with deformed Dirac cone
Hai-Xiao Xiao, Jing-Rong Wang, Hong-Tao Feng +2
According to the extensive theoretical and experimental investigations, it is widely accepted that the long-range Coulomb interaction is too weak to generate a dynamical excitonic…
Polarization, plasmon, and Debye screening in doped 3D ani-Weyl semimetal
Jing-Rong Wang, Guo-Zhu Liu, Chang-Jin Zhang
We compute the polarization function in a doped three-dimensional anisotropic-Weyl semimetal, in which the fermion energy dispersion is linear in two components of the momenta and…
Superconductivity around nematic quantum critical point in two-dimensional metals
Guo-Zhu Liu, Jing-Rong Wang
We study the properties of -wave superconductivity induced around a nematic quantum critical point in two-dimensional metals. The strong Landau damping and the Cooper pairing be…
Quantum phase transition and unusual critical behavior in multi-Weyl semimetals
Jing-Rong Wang, Guo-Zhu Liu, Chang-Jin Zhang
The low-energy behaviors of gapless double- and triple-Weyl fermions caused by the interplay of long-range Coulomb interaction and quenched disorder are studied by performing a ren…
Renormalization of fermion velocity in finite temperature QED_{3}
Jing-Rong Wang, Guo-Zhu Liu, Chang-Jin Zhang
At zero temperature, the Lorentz invariance is strictly preserved in three-dimensional quantum electrodynamics. This property ensures that the velocity of massless fermions is not…