INVESTIGADORES
LAMAS Carlos Alberto
artículos
Título:
Magnon crystals and magnetic phases in a Kagomé-stripe antiferromagnet
Autor/es:
C. A LAMAS; SANTIAGO ACEVEDO; ARLEGO, M.; P. PUJOL
Revista:
PHYSICAL REVIEW B
Editorial:
AMER PHYSICAL SOC
Referencias:
Lugar: New York; Año: 2019
ISSN:
1098-0121
Resumen:
In this work we analyze the magnetization properties of an antiferromagneticKagomé stripe lattice, motivated by the recent synthesis of materialsexhibiting this structure. By employing a variety of techniques that includenumerical methods as Density Matrix Renormalization Group and Monte Carlosimulations, as well as analytical techniques, as perturbative low energyeffective models and exact solutions, we characterize the magnetization processand magnetic phase diagram of a Kagomé stripe lattice. The model captures avariety of behaviors present in the two dimensional Kagomé lattice, which aredescribed here by analytical models and numerically corroborated. In additionto the characterization of semiclassical intermediate plateaus, it is worthnoting the determination of an exact magnon crystal phase which breaks theunderlying symmetry of the lattice. This magnon crystal phase generalizesprevious findings and according to our knowledge is reported here for the firsttime.
