Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1998-06-15
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 4 figures, to be published in PRB
Scientific paper
10.1103/PhysRevB.58.R4199
Using Quantum Monte Carlo we compute thermodynamics and spectra for the orbitally degenerate Hubbard model in infinite spatial dimensions. With increasing orbital degeneracy we find in the one-particle spectra: broader Hubbard bands (consistent with increased kinetic energy), a narrowing Mott gap, and increasing quasi-particle spectral weight. In opposition, Hund's rule exchange coupling decreases the critical on-site Coulomb energy for the Mott transition. The metallic regime resistivity for two-fold degeneracy is quadratic-in-temperature at low temperatures.
Cox Daniel L.
Han Jong E.
Jarrell Mark
No associations
LandOfFree
Multi-Orbital Hubbard Model in Infinite Dimensions: Quantum Monte Carlo Calculation does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Multi-Orbital Hubbard Model in Infinite Dimensions: Quantum Monte Carlo Calculation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-Orbital Hubbard Model in Infinite Dimensions: Quantum Monte Carlo Calculation will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-634849