402 citations · 1.4k across the 37 of their papers we have counts for
12 papers · 1 filter
Fermion-fermion interaction driven instability and criticality of quadratic band crossing systems with the breaking of time-reversal symmetry
Ya-Hui Zhai, Jing Wang
We carefully study how the fermion-fermion interactions affect the low-energy states of a two-dimensional spin- fermionic system on the kagomé lattice with a quadratic band cr…
Stability of two-dimensional asymmetric materials with a quadratic band crossing point under four-fermion interaction and impurity scattering
Yao-Ming Dong, Ya-Hui Zhai, Dong-Xing Zheng +1
We investigate the impacts of combination of fermion-fermion interactions and impurity scatterings on the low-energy stabilities of two-dimensional asymmetric materials with a quad…
Singular low-energy states of tilted Dirac semimetals induced by the fermion-fermion interactions
Jie-Qiong Li, Dong-Xing Zheng, Jing Wang
We attentively investigate the effects of short-range fermion-fermion interactions on the low-energy properties of both two-dimensional type-I and type-II tilted Dirac semimetals b…
Instability caused by the fermion-fermion interactions combined with rotational and particle-hole asymmetries in three-dimensional materials with quadratic band touching
Jing Wang
We investigate the role of four-fermion interactions, rotational and particle-hole asymmetries, and their interplay in three-dimensional systems with a quadratic band touching poin…
Cooper instability generated by attractive fermion-fermion interaction in the two-dimensional semi-Dirac semimetals
Yao-Ming Dong, Dong-Xing Zheng, Jing Wang
Cooper instability associated with superconductivity in the two-dimensional semi-Dirac semimetals is attentively studied in the presence of attractive Cooper-pairing interaction, w…
The fate of interaction-driven topological insulators under disorder
Jing Wang, Carmine Ortix, Jeroen van den Brink +1
We analyze the effect of disorder on the weak-coupling instabilities of quadratic band crossing point (QBCP) in two-dimensional Fermi systems, which, in the clean limit, display in…
Order parameter fluctuation and ordering competition in
Jing Wang, Guo-Zhu Liu, Dmitry V. Efremov +1
The competition among superconductivity, stripe-type magnetic order, and a new type of symmetric magnetic order in is theoretically studied, fo…
Two-loop disorder effects on the nematic quantum criticality in -wave superconductors
Jing Wang
The gapless nodal fermions exhibit non-Fermi liquid behaviors at the nematic quantum critical point that is supposed to exist in some -wave cuprate superconductors. This non-Fer…
Renormalization group analysis of competition between distinct order parameters
Jing Wang, Guo-Zhu Liu
We perform a detailed renormalization group analysis to study a (2+1)-dimensional quantum field theory that is composed of two interacting scalar bosons, which represent the order…
Competing order in correlated electron systems made simple: Consistent fusion of functional renormalization and mean-field theory
Jing Wang, Andreas Eberlein, Walter Metzner
We derive an efficient and unbiased method for computing order parameters in correlated electron systems with competing instabilities. Charge, magnetic and pairing fluctuations abo…
Unconventional behavior of Dirac fermions in three-dimensional gauge theory
Jing Wang, Guo-Zhu Liu
We study the unconventional behavior of massless Dirac fermions due to interaction with a U(1) gauge field in two spatial dimensions. At zero chemical potential, the longitudinal a…
Disorder effects at a nematic quantum critical point in d-wave cuprate superconductor
Jing Wang, Guo-Zhu Liu, Hagen Kleinert
A d-wave high temperature cuprate superconductor exhibits a nematic ordering transition at zero temperature. Near the quantum critical point, the coupling between gapless nodal qua…