163 citations · 3.3k across the 109 of their papers we have counts for
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Ising transition in the two-dimensional quantum Heisenberg model
Luca Capriotti, Tommaso Roscilde, Andrea Fubini +1
We study the thermodynamics of the spin- two-dimensional quantum Heisenberg antiferromagnet on the square lattice with nearest () and next-nearest () neighbor coupling…
Detection of XY behaviour in weakly anisotropic quantum antiferromagnets on the square lattice
Alessandro Cuccoli, Tommaso Roscilde, Ruggero Vaia +1
We consider the Heisenberg antiferromagnet on the square lattice with S=1/2 and very weak easy-plane exchange anisotropy; by means of the quantum Monte Carlo method, based on the c…
Anisotropy and Ising-like transition of the S=5/2 two-dimensional Heisenberg antiferromagnet Mn-formate di-Urea
Alessandro Cuccoli, Tommaso Roscilde, Valerio Tognetti +2
Recently reported measurements of specific heat on the compound Mn-formate di-Urea (Mn-f-2U) by Takeda et al. [Phys. Rev. B 63, 024425 (2001)] are considered. As a model to describ…
Field-induced XY behavior in the S=1/2 antiferromagnet on the square lattice
Alessandro Cuccoli, Tommaso Roscilde, Ruggero Vaia +1
Making use of the quantum Monte Carlo method based on the worm algorithm, we study the thermodynamic behavior of the S=1/2 isotropic Heisenberg antiferromagnet on the square lattic…