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28 papers · 1 filter
Wigner localization in two and three dimensions: an \emph{ab initio} approach
Miguel Escobar Azor, Estefania Alves, Stefano Evangelisti +1
In this work we investigate the Wigner localization of two interacting electrons at very low density in two and three dimensions using the exact diagonalization of the many-body Ha…
Accurate ground-state energies of Wigner crystals from a simple real-space approach
Estefania Alves, Gian Luigi Bendazzoli, Stefano Evangelisti +1
We propose a simple and efficient real-space approach for the calculation of the ground-state energies of Wigner crystals in 1, 2, and 3 dimensions. To be precise, we calculate the…
Field-Induced Freezing of a Quantum Spin Liquid on the Kagome Lattice
M. Jeong, F. Bert, P. Mendels +4
We report 17O NMR measurements in the S=1/2 Cu2+ kagome antiferromagnet Herbertsmithite ZnCu3(OH)6Cl2 down to 45mK in magnetic fields ranging from 2T to 12T. While Herbertsmithite…
Thermoelectric properties of the interacting two dimensional electron gas in the diffusion regime
V. T. Dolgopolov, A. Gold
We demonstrate that kinetic coefficients related to thermoelectric properties of the two dimensional electron gas in the diffusive regime are strongly influenced by electron-electr…
NMR and NQR study of the tetrahedral frustrated quantum spin system Cu2Te2O5Br2 in its paramagnetic phase
Arnaud Comment, Hadrien Mayaffre, Vesna Mitrovic +4
The quantum antiferromagnet Cu2Te2O5Br2 was investigated by NMR and NQR. The 125Te NMR investigation showed that there is a magnetic transition around 10.5K at 9T, in agreement wit…
Dzyaloshinsky-Moriya Anisotropy in the Spin-1/2 Kagomé Compound ZnCu(OH)Cl
A. Zorko, S. Nellutla, J. van Tol +7
We report the determination of the Dzyaloshinsky-Moriya interaction, the dominant magnetic anisotropy term in the \kagome spin-1/2 compound {\herbert}. Based on the analysis of the…