156 citations · 223 across the 7 of their papers we have counts for
8 papers
Nernst effect in the two-dimensional XY model
Qing-Hu Chen
We calculate the Nernst signal directly in the phenomenological two-dimensional XY model. The obtained numerical results are consistent with the experimental observations in some h…
Accurate numerical solution to the finite-size Dicke model
Qing-Hu Chen, Yu-Yu Zhang, Tao Liu +1
By using extended bosonic coherent states, a new technique to solve the Dicke model exactly is proposed in the numerical sense. The accessible system size is two orders of magnitud…
Quantum phase transition in the one-dimensional period-two and uniform compass model
Ke-Wei Sun, Yu-Yu Zhang, Qing-Hu Chen
Quantum phase transition in the one-dimensional period-two and uniform quantum compass model are studied by using the pseudo-spin transformation method and the trace map method. Th…
Phase transition in site-diluted Josephson junction arrays: A numerical study
Jian-Ping Lv, Huan Liu, Qing-Hu Chen
We numerically investigate the intriguing effects produced by random percolative disorder in two-dimensional Josephson-junction arrays. By dynamic scaling analysis, we evaluate cri…
Flux-lattice melting in LaOFFeAs: first-principles prediction
Jian-Ping Lv, Qing-Hu Chen
We report the theoretical study of the flux-lattice melting in the novel iron-based superconductor and . Using the Hypernetted-Chai…
Dynamics of vortex glass phase in strongly type II superconductors
Qing-Hu Chen
Dynamics of vortices in strongly type-II superconductors with strong disorder is investigated within the frustrated three-dimensional XY model. For two typical models in [Phys. Rev…