Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2007-06-29
Phys. Rev. Lett. 100, 037202 (2008)
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 5 figures, 1 table
Scientific paper
10.1103/PhysRevLett.100.037202
We explore the kinetic magnetism of the infinite-$U$ repulsive Hubbard models at low hole densities on various lattices with nearest-neighbor hopping integrals modulated by a staggered magnetic flux $\pm\phi$. Tuning $\phi$ from 0 to $\pi$ makes the ground state (GS) change from a Nagaoka-type ferromagnetic state to a Haerter-Shastry-type antiferromagnetic state at a critical $\phi_c$, with both states being of kinetic origin. Intra-plaquette spin correlation, as well as the GS energy, signals such a quantum criticality. This tunable kinetic magnetism is generic, and appears in chains, ladders and two-dimensional lattices with squares or triangles as elementary constituents.
Gong Chang-De
Wang Yi-Fei
Wang Zheng-Dong
No associations
LandOfFree
Tuning Kinetic Magnetism of Strongly Correlated Electrons via Staggered Flux 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 Tuning Kinetic Magnetism of Strongly Correlated Electrons via Staggered Flux, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tuning Kinetic Magnetism of Strongly Correlated Electrons via Staggered Flux will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-681931