Phase diagram of the spin-1/2 triangular J1-J2 Heisenberg model on a three-leg cylinder

Saadatmand, S. N., Powell, B. J. and McCulloch, I. P. (2015) Phase diagram of the spin-1/2 triangular J1-J2 Heisenberg model on a three-leg cylinder. Physical Review B (Condensed Matter and Materials Physics), 91 24: 245119.1-245119.11. doi:10.1103/PhysRevB.91.245119

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Author Saadatmand, S. N.
Powell, B. J.
McCulloch, I. P.
Title Phase diagram of the spin-1/2 triangular J1-J2 Heisenberg model on a three-leg cylinder
Formatted title
Phase diagram of the spin-½ triangular J1-J2 Heisenberg model on a three-leg cylinder
Journal name Physical Review B (Condensed Matter and Materials Physics)   Check publisher's open access policy
ISSN 1550-235X
1098-0121
1538-4489
Publication date 2015-06-09
Year available 2015
Sub-type Article (original research)
DOI 10.1103/PhysRevB.91.245119
Open Access Status File (Publisher version)
Volume 91
Issue 24
Start page 245119.1
End page 245119.11
Total pages 11
Place of publication College Park, MD, United States
Publisher American Physical Society
Collection year 2016
Abstract We study the phase diagram of the frustrated Heisenberg model on the triangular lattice with nearest- and next-nearest-neighbor spin-exchange coupling, on three-leg ladders. Using the density-matrix renormalization-group method, we obtain the complete phase diagram of the model, which includes quasi-long-range 120° and columnar order, and a Majumdar-Ghosh phase with short-ranged correlations. All these phases are nonchiral and planar. We also identify the nature of phase transitions.
Keyword Density-matrix renormalization-group
Frustrated Heisenberg model
Phase transitions
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
Official 2016 Collection
 
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