Loop-cluster simulation of the zero- and one-hole sectors of thet−Jmodel on the honeycomb lattice

2008/07/18 by Fu-Jiun Jiang, F. -J. Jiang, F. Kämpfer +4
Chemistry · Mathematics · Physics and Astronomy · #Advanced Condensed Matter Physics #Chemistry #Cluster (spacecraft) #Combinatorics #Computer science #Condensed matter physics #Crystallography #Energy (signal processing) #Lattice (music) #Magnetic field #Magnetization #Mathematics #Physics #Physics of Superconductivity and Magnetism #Quantum mechanics #Theoretical and Computational Physics #cond-mat.str-el #hep-lat

paper · pdf · doi:10.1103/physrevb.78.214406

8 pages, 10 figures, 2 tables

arxiv created 2008/07/18 · openalex publication_date 2008/12/05 · arxiv updated 2013/05/29 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Inspired by the unhydrated variant of the superconducting material Na_xCoO₂\ensuremath⋅yH₂O at x=(1)/(3), we study the t\text\ensuremath-J model on a honeycomb lattice by using an efficient loop-cluster algorithm. The low-energy physics of the undoped system and of the single-hole sector is described by a systematic low-energy effective field theory. The staggered magnetization per spin \stackrel\ifmmode \else \~\fiM_s=0.2688(3), the spin stiffness \ensuremathρ_s=0.102(2)J, the spin-wave velocity c=1.297(16)Ja, and the kinetic mass M^\ensuremath' of a hole are obtained by fitting the numerical Monte Carlo data to the effective field theory predictions.

Citations

• Possible highT c superconductivity in the Ba?La?Cu?O system
• Doping-dependent quasiparticle band structure in cuprate superconductors
• Single-hole properties of thet−Jmodel on the honeycomb lattice
• Frustrated Honeycomb Heisenberg Antiferromagnet: A Schwinger Boson Approach
• Site dilution of quantum spins in the honeycomb lattice