703 citations
- Institute of Theoretical PhysicsCN51 papers
- University of Hong KongHK15 papers
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- Fudan UniversityCN7 papers
- Max Planck Institute for Polymer ResearchDE7 papers
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13 papers · 1 filter
Magnetic Impurities in Graphene
F. M. Hu, Tianxing Ma, Hai-Qing Lin +1
We used a quantum Monte Carlo method to study the magnetic impurity adatoms on graphene. We found that by tuning the chemical potential we could switch the values of the impurity's…
Ab initio study of the giant ferroelectric distortion and pressure induced spin-state transition in BiCoO3
Ting Jia, Hua Wu, Guoren Zhang +4
Using configuration-state-constrained electronic structure calculations based on the generalized gradient approximation plus Hubbard U method, we sought the origin of the giant tet…
Finite energy spectral function of an anisotropic 2D system of coupled Hubbard chains
P. Ribeiro, P. D. Sacramento, K. Penc
We study the crossover from the one-dimensional to the two-dimensional Hubbard model in the photoemission spectra of weakly coupled chains. The chains with on-site repulsion are tr…
Reduced fidelity in Kitaev honeycomb model
Zhi Wang, Tianxing Ma, Shi-Jian Gu +1
We study the reduced fidelity and reduced fidelity susceptibility in the Kitaev honeycomb model. It is shown that the reduced fidelity susceptibility of two nearest site manifest i…
Strong enhancement of d-wave superconducting state in the three-band Hubbard model coupled to an apical oxygen phonon
Z. B. Huang, H. Q. Lin, E. Arrigoni
We study the hole binding energy and pairing correlations in the three-band Hubbard model coupled to an apical oxygen phonon, by exact diagonalization and constrained-path Monte Ca…
Na4Ir3O8 as a 3D spin liquid with fermionic spinons
Yi Zhou, Patrick A. Lee, Tai-Kai Ng +1
Spin liquid states for spin-1/2 antiferromagnetic Heisenberg model on a hyperkagome lattice are studied. We classify and study flux states according to symmetries. Applying this mo…