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36 papers · 1 filter
Lanczos steps to improve variational wave functions
Federico Becca, Wen-Jun Hu, Yasir Iqbal +3
Gutzwiller-projected fermionic states can be efficiently implemented within quantum Monte Carlo calculations to define extremely accurate variational wave functions for Heisenberg…
Global Phase Diagram of Competing Ordered and Quantum Spin Liquid Phases on the Kagomé Lattice
Shou-Shu Gong, Wei Zhu, Leon Balents +1
We study the quantum phase diagram of the spin- Heisenberg model on the kagomé lattice with first-, second-, and third-neighbor interactions , , and by means o…
New Open Problems Related to Old Conjectures by Helleseth
Daniel J. Katz, Philippe Langevin
Recently, very interesting results have been obtained concerning the Fourier spectra of power permutations over a finite field. In this note we survey the recent ideas of Aubry, Fe…
Topological Characterization of Non-Abelian Moore-Read State using Density-Matrix Renormailzation Group
W. Zhu, S. S. Gong, F. D. M. Haldane +1
The non-Abelian topological order has attracted a lot of attention for its fundamental importance and exciting prospect of topological quantum computation. However, explicit demons…
Two dimensional topological insulators with tunable band gaps: HgTe and HgSe monolayers
Jin Li, Chaoyu He, Lijun Meng +7
Employing ab initio electronic calculations, we propose a new type of two-dimensional (2D) topological insulator (TI), monolayer (ML) low buckled (LB) mercury telluride (HgTe) and…
Detection of Interlayer Interaction in Few-layer Graphene through Landau Level Spectroscopy
Zefei Wu, Yu Han, Wei Zhu +12
We demonstrate that surface relaxation, which is insignificant in trilayer graphene, starts to manifest in Bernal-stacked tetralayer graphene. Bernal-stacked few-layer graphene has…