activity
20122022
most citedThe role of electron-electron interactions in two-dimensional Dirac fermions

120 citations · 277 across the 14 of their papers we have counts for

collaborators

14 papers

cond-mat.str-el2022★ 5 cited

Rapid detection of phase transitions from Monte Carlo samples before equilibrium

Jiewei Ding, Ho-Kin Tang, Wing Chi Yu

We found that Bidirectional LSTM and Transformer can classify different phases of condensed matter models and determine the phase transition points by learning features in the Mont…

cond-mat.quant-gas2021

Topological superfluids in two-dimensional Fermi gas with Rashba spin-orbit coupling

Xiaosen Yang, Ho-Kin Tang, Noah Fan Qi Yuan +4

The realization of spin-orbit coupling (SOC) in ultracold atoms has triggered an intensive exploring of topological superfluids in the degenerate Fermi gases based on mean-field th…

cond-mat.str-el2021★ 20 cited

Novel Approach to Unveil Quantum Phase Transitions Using Fidelity Map

Ho-Kin Tang, Mohamad Ali Marashli, Wing Chi Yu

Fidelity approach has been widely used to detect various types of quantum phase transitions, including some that are beyond the Landau symmetry breaking theory, in condensed matter…

cs.NE2021

A Novel Non-population-based Meta-heuristic Optimizer Inspired by the Philosophy of Yi Jing

Ho-Kin Tang, Sim Kuan Goh

Drawing inspiration from the philosophy of Yi Jing, Yin-Yang pair optimization (YYPO) has been shown to achieve competitive performance in single objective optimizations. Besides,…

cond-mat.str-el2020★ 2 cited

Response to Comment on "The role of electron-electron interactions in two-dimensional Dirac fermions"

Ho-Kin Tang, J. N. Leaw, J. N. B. Rodrigues +4

Hesselmann {\it et al}.~question one of our conclusions, namely, the suppression of Fermi velocity at the Gross-Neveu critical point for the specific case of vanishing long-range i…

cond-mat.str-el2019★ 13 cited

Electronic Ground State in Bilayer Graphene with Realistic Coulomb Interactions

Jia Ning Leaw, Ho-Kin Tang, Pinaki Sengupta +3

Both insulating and conducting electronic behaviors have been experimentally seen in clean bilayer graphene samples at low temperature, and there is still no consensus on the natur…

cond-mat.str-el2018★ 9 cited

Universal Fermi-surface anisotropy renormalization for interacting Dirac fermions with long-range interactions

Jia Ning Leaw, Ho-Kin Tang, Maxim Trushin +2

Recent experimental and numerical evidence suggest an intriguing universal relationship between the Fermi surface anisotropy of the non-interacting parent two-dimensional electron…

cond-mat.str-el2018★ 120 cited

The role of electron-electron interactions in two-dimensional Dirac fermions

Ho-Kin Tang, J. N. Leaw, J. N. B. Rodrigues +4

The role of electron-electron interactions on two-dimensional Dirac fermions remains enigmatic. Using a combination of nonperturbative numerical and analytical techniques that inco…

cond-mat.str-el2015★ 66 cited

Interaction driven metal-insulator transition in strained graphene

Ho-Kin Tang, E. Laksono, J. N. B. Rodrigues +3

The question of whether electron-electron interactions can drive a metal to insulator transition in graphene under realistic experimental conditions is addressed. Using three repre…

cond-mat.str-el2015★ 8 cited

The Kondo Temperature of a Two-dimensional Electron Gas with Rashba Spin-orbit Coupling

Liang Chen, Jinhua Sun, Ho-Kin Tang +1

We use the Hirsch-Fye quantum Monte Carlo method to study the single magnetic impurity problem in a two-dimensional electron gas with Rashba spin-orbit coupling. We calculate the s…

cond-mat.quant-gas2013★ 17 cited

The Pairing of Spin-orbit Coupled Fermi Gas in Optical Lattice

Ho-Kin Tang, Xiaosen Yang, Jinhua Sun +1

We investigate Rashba spin-orbit coupled Fermi gases in square optical lattice by using the determinant quantum Monte Carlo (DQMC) simulations which is free of the sign-problem. We…

cond-mat.str-el2012★ 11 cited

Indirect exchange of magnetic impurities in zigzag graphene ribbon

J. H. Sun, F. M. Hu, H. K. Tang +2

We use quantum Monte Carlo method to study the indirect coupling between two magnetic impurities on the zigzag edge of graphene ribbon, with respect to the chemical potential .…

cond-mat.str-el2012★ 5 cited

Magnetic impurity in the vicinity of a vacancy in bilayer graphene

J. H. Sun, F. M. Hu, H. K. Tang +1

We use quantum Monte Carlo method to study a magnetic impurity located next to a vacancy in bilayer graphene with Bernal stacking. Due to the broken symmetry between two sublattice…

cond-mat.str-el2012★ 1 cited

Magnetic Impurity in Bernal Stacked Bilayer Graphene

J. H. Sun, F. M. Hu, H. K. Tang +1

We investigate a magnetic impurity in Bernal stacked bilayer graphene by a non-perturbative numerical exact approach. In the two cases we study, impurity is placed on the top of tw…