Non-Degenerate Ground State in the Antiferromagnetic Double-Exchange Model on a Triangular Lattice

Details Non-Degenerate Ground State in the Antiferromagnetic Double-Exchange Model on a Triangular Lattice Non-Degenerate Ground State in the Antiferromagnetic Double-Exchange Model on a Triangular Lattice

2005-05-18

arxiv.org/abs/cond-mat/0505442v1

Physics

Condensed Matter

Strongly Correlated Electrons

8 pages, 5 figures, Proceedings for SPQS2004

Scientific paper

10.1016/j.stam.2005.11.014

In order to study effects of frustration in an itinerant electron system, we investigate ground states of the antiferromagnetic double-exchange model on a triangular lattice. In this model, pseudo-spins are coupled to electron transfer integrals in such a way that antiparallel configurations of pseudo-spins gain kinetic energies. Although the antiferromagnetic Ising model on a triangular lattice shows macroscopic dengenerate ground states, the present model shows that the degeneracy is lifted due to long-range natures of the double exchange interactions. Spin ordering at the ground state is also discussed.

Affiliated with

Also associated with

No associations

Rating

Non-Degenerate Ground State in the Antiferromagnetic Double-Exchange Model on a Triangular Lattice 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 Non-Degenerate Ground State in the Antiferromagnetic Double-Exchange Model on a Triangular Lattice, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Non-Degenerate Ground State in the Antiferromagnetic Double-Exchange Model on a Triangular Lattice will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-709838