34 citations · 37 across the 2 of their papers we have counts for
4 papers
Charge-order transition in the extended Hubbard model on a two-leg ladder
Matthias Vojta, R. E. Hetzel, R. M. Noack
We investigate the charge-order transition at zero temperature in a two-leg Hubbard ladder with additional nearest-neighbor Coulomb repulsion V using the Density Matrix Renormaliza…
Analytical ground state for the three-band Hubbard model
C. Waidacher, J. Richter, R. E. Hetzel +1
For the calculation of charge excitations as those observed in, e.g., photo-emission spectroscopy or in electron-energy loss spectroscopy, a correct description of ground-state cha…
Vortex-line liquid phases: Longitudinal superconductivity in the lattice London model
T. J. Hagenaars, E. H. Brandt, R. E. Hetzel +3
We study the vortex-line lattice and liquid phases of a clean type-II superconductor by means of Monte Carlo simulations of the lattice London model. Motivated by a recent controve…
Vortex-Loop Unbinding and Flux-Line Lattice Melting in Superconductors
Anh Kiet Nguyen, A. Sudbo, R. E. Hetzel
We study the interplay between a novel vortex-loop unbinding in finite magnetic field at T=T_V and flux-line lattice (FLL) melting at T=T_M in type-II superconductors. The FLL melt…