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7 papers · 2 filters
Metal-ligand interplay in strongly-correlated oxides: a parametrized phase diagram for pressure induced spin transitions
A. Mattila, J. -P. Rueff, J. Badro +2
We investigate the magnetic properties of archetypal transition-metal oxides MnO, FeO, CoO and NiO under very high pressure by x-ray emission spectroscopy at the Kβline. We observe…
Confinement vs Deconfinement of Cooper Pairs in One-Dimensional Spin-3/2 Fermionic Cold Atoms
S. Capponi, G. Roux, P. Azaria +2
The phase diagram of spin-3/2 fermionic cold atoms trapped in a one-dimensional optical lattice is investigated at quarter filling (one atom per site) by means of large-scale numer…
The Fermion Monte Carlo revisited
Roland Assaraf, Michel Caffarel, Anatole Khelif
In this work we present a detailed study of the Fermion Monte Carlo algorithm (FMC), a recently proposed stochastic method for calculating fermionic ground-state energies [M.H. Kal…
Mott transition in the Hubbard model away from particle-hole symmetry
D. J. Garcia, E. Miranda, K. Hallberg +1
We solve the Dynamical Mean Field Theory equations for the Hubbard model away from the particle-hole symmetric case using the Density Matrix Renormalization Group method. We focus…
Heat transport of clean spin-ladders coupled to phonons: Umklapp scattering and drag
E. Boulat, P. Mehta, N. Andrei +2
We study the low-temperature heat transport in clean two-leg spin ladder compounds coupled to three-dimensional phonons. We argue that the very large heat conductivities observed i…
Electronic state of a doped Mott-Hubbard insulator at finite temperatures studied using the dynamical mean-field theory
A. Camjayi, R. Chitra, M. J. Rozenberg
We study the electronic state of the doped Mott-Hubbard insulator within Dynamical Mean Field Theory. The evolution of the finite temperature spectral functions as a function of do…