823 citations · 17.2k across the 248 of their papers we have counts for
5 papers · 2 filters
Nematic orders in Iron-based superconductors
Jiangping Hu, Cenke Xu
In the newly discovered iron-based superconductors, many experiments have demonstrated the existence of the rotational symmetry breaking nematic order, which has been a prevailing…
Interaction-driven topological and nematic phases on the Lieb lattice
Wei-Feng Tsai, Chen Fang, Hong Yao +1
We show that topological states are often developed in two dimensional semimetals with quadratic band crossing points (BCPs) by electron-electron interactions. To illustrate this,…
Magnetic and Orbital Orders Coupled to Negative Thermal Expansion in Mott Insulators, Ca2Ru1-xMxO4 (M = Mn and Fe)
T. F. Qi, O. B. Korneta, S. Parkin +2
Ca2RuO4 is a structurally-driven Mott insulator with a metal-insulator transition at TMI = 357K, followed by a well-separated antiferromagnetic order at TN = 110 K. Slightly substi…
Collinear to Anti-collinear Quantum Phase Transition by Vacancies
Bao Xu, Chen Fang, W. M. Liu +1
We study static vacancies in the collinear magnetic phase of a frustrated Heisenberg - model. It is found that vacancies can rapidly suppress the collinear antiferromagne…
Magnetic Frustration and Iron-Vacancy Ordering in Iron-Chalcogenide
Chen Fang, Bao Xu, Pengcheng Dai +2
We show that the magnetic and vacancy orders in the 122 iron-chalcogenides can be naturally derived from the model with being the ferrom…