Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2002-09-18
Physics
Condensed Matter
Strongly Correlated Electrons
to appear in Phys. Rev. Lett
Scientific paper
10.1103/PhysRevLett.89.167201
We investigate the collective behavior of orbital angular momentum in the spin ferromagnetic state of a Mott insulator with $t_{2g}$ orbital degeneracy. The frustrated nature of the interactions leads to an infinite degeneracy of classical states. Quantum effects select four distinct orbital orderings. Two of them have a quadrupolar order, while the other states show in addition weak orbital magnetism. Specific predictions are made for neutron scattering experiments which might help to identify the orbital order in YTiO$_3$ and to detect the elementary orbital excitations.
Khaliullin Giniyat
Okamoto Satoshi
No associations
LandOfFree
Quantum behavior of Orbitals in Ferromagnetic Titanates: Novel Orderings and Excitations 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 Quantum behavior of Orbitals in Ferromagnetic Titanates: Novel Orderings and Excitations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quantum behavior of Orbitals in Ferromagnetic Titanates: Novel Orderings and Excitations will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-196249