Evolution of Nagaoka phase with kinetic energy frustrating hopping
We investigate, using the density-matrix renormalization group, the evolution of the Nagaoka state with t′ hopping that frustrates the hole kinetic energy in the U=∞ Hubbard model on the square and anisotropic triangular lattices. We find that the Nagaoka ferromagnet survives up to a rather small t&...
Guardado en:
| Autores principales: | , , , , |
|---|---|
| Formato: | Articulo Preprint |
| Lenguaje: | Inglés |
| Publicado: |
2017
|
| Materias: | |
| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/102240 https://ri.conicet.gov.ar/11336/50493 https://journals.aps.org/prb/abstract/10.1103/PhysRevB.95.195103 |
| Aporte de: |
| id |
I19-R120-10915-102240 |
|---|---|
| record_format |
dspace |
| institution |
Universidad Nacional de La Plata |
| institution_str |
I-19 |
| repository_str |
R-120 |
| collection |
SEDICI (UNLP) |
| language |
Inglés |
| topic |
Física Nagaoka Kinetic frustration Strongly correlated electrons |
| spellingShingle |
Física Nagaoka Kinetic frustration Strongly correlated electrons Lisandrini, Franco Thomas Bravo, Bárbara Trumper, Adolfo Emilio Manuel, Luis Oscar Gazza, Claudio Javier Evolution of Nagaoka phase with kinetic energy frustrating hopping |
| topic_facet |
Física Nagaoka Kinetic frustration Strongly correlated electrons |
| description |
We investigate, using the density-matrix renormalization group, the evolution of the Nagaoka state with t′ hopping that frustrates the hole kinetic energy in the U=∞ Hubbard model on the square and anisotropic triangular lattices. We find that the Nagaoka ferromagnet survives up to a rather small t'c/t∼0.2. At this critical value, there is a transition to an antiferromagnetic phase that depends on the lattice: a Q=(Q,0) spiral order, which continuously evolves with t′, for the triangular lattice and the usual Q=(π,π) Néel order for the square lattice. Remarkably, the local magnetization takes its classical value for all considered t′ (t′/t≤1). Our results show that the recently found classical kinetic antiferromagnetism, a perfect counterpart of Nagaoka ferromagnetism, is a generic phenomenon in these kinetically frustrated electronic systems. |
| format |
Articulo Preprint |
| author |
Lisandrini, Franco Thomas Bravo, Bárbara Trumper, Adolfo Emilio Manuel, Luis Oscar Gazza, Claudio Javier |
| author_facet |
Lisandrini, Franco Thomas Bravo, Bárbara Trumper, Adolfo Emilio Manuel, Luis Oscar Gazza, Claudio Javier |
| author_sort |
Lisandrini, Franco Thomas |
| title |
Evolution of Nagaoka phase with kinetic energy frustrating hopping |
| title_short |
Evolution of Nagaoka phase with kinetic energy frustrating hopping |
| title_full |
Evolution of Nagaoka phase with kinetic energy frustrating hopping |
| title_fullStr |
Evolution of Nagaoka phase with kinetic energy frustrating hopping |
| title_full_unstemmed |
Evolution of Nagaoka phase with kinetic energy frustrating hopping |
| title_sort |
evolution of nagaoka phase with kinetic energy frustrating hopping |
| publishDate |
2017 |
| url |
http://sedici.unlp.edu.ar/handle/10915/102240 https://ri.conicet.gov.ar/11336/50493 https://journals.aps.org/prb/abstract/10.1103/PhysRevB.95.195103 |
| work_keys_str_mv |
AT lisandrinifrancothomas evolutionofnagaokaphasewithkineticenergyfrustratinghopping AT bravobarbara evolutionofnagaokaphasewithkineticenergyfrustratinghopping AT trumperadolfoemilio evolutionofnagaokaphasewithkineticenergyfrustratinghopping AT manuelluisoscar evolutionofnagaokaphasewithkineticenergyfrustratinghopping AT gazzaclaudiojavier evolutionofnagaokaphasewithkineticenergyfrustratinghopping |
| bdutipo_str |
Repositorios |
| _version_ |
1764820440897814529 |