Ground state phases of the spin-1/2 Heisenberg antiferromagnet on the square lattice: A high-order coupled cluster treatment
R Darradi, O Derzhko, R Zinke, J Schulenburg… - Physical Review B …, 2008 - APS
Using the coupled cluster method for high orders of approximation and complementary
exact diagonalization studies we investigate the ground state properties of the spin-1/2 J 1–J …
exact diagonalization studies we investigate the ground state properties of the spin-1/2 J 1–J …
Magnetic properties of BaCdVO (PO 4) 2: A strongly frustrated spin-1 2 square lattice close to the quantum critical regime
We report magnetization and specific-heat measurements on polycrystalline samples of
BaCdVO (PO 4) 2 and show that this compound is a S= 1/2 frustrated square lattice with …
BaCdVO (PO 4) 2 and show that this compound is a S= 1/2 frustrated square lattice with …
Frustrated spin- square lattice in the layered perovskite
We report on the magnetic properties of the layered perovskite Pb VO 3. The results of
magnetic susceptibility and specific heat measurements as well as band-structure …
magnetic susceptibility and specific heat measurements as well as band-structure …
The quantum J1–J1′–J2 spin-1 Heisenberg model: Influence of the interchain coupling on the ground-state magnetic ordering in 2D
We study the phase diagram of the isotropic J 1–J 1'–J 2 Heisenberg model for spin-1
particles on an anisotropic square lattice, using the coupled-cluster method. We find no …
particles on an anisotropic square lattice, using the coupled-cluster method. We find no …
Effect of anisotropy on the ground-state magnetic ordering of the spin-half quantum model on the square lattice
RF Bishop, PHY Li, R Darradi, J Schulenburg… - Physical Review B …, 2008 - APS
We study the zero-temperature phase diagram of the two-dimensional quantum J 1 XXZ–J 2
XXZ spin-1/2 anisotropic Heisenberg model on the square lattice. In particular, the effects of …
XXZ spin-1/2 anisotropic Heisenberg model on the square lattice. In particular, the effects of …
Thermodynamics of a one-dimensional frustrated spin-1 2 Heisenberg ferromagnet
M Härtel, J Richter, D Ihle, SL Drechsler - Physical Review B—Condensed …, 2008 - APS
We calculate the thermodynamic quantities (correlation functions⟨ S 0 S n⟩, correlation
length ξ, spin susceptibility χ, and specific heat CV) of the frustrated one-dimensional spin …
length ξ, spin susceptibility χ, and specific heat CV) of the frustrated one-dimensional spin …
Strong frustration due to competing ferromagnetic and antiferromagnetic interactions: Magnetic properties of ( and Sr)
R Nath, AA Tsirlin, EE Kaul, M Baenitz, N Büttgen… - Physical Review B …, 2008 - APS
We present a detailed investigation of the magnetic properties of complex vanadium
phosphates M (VO) 2 (PO 4) 2 (M= Ca and Sr) by means of magnetization, specific heat, P …
phosphates M (VO) 2 (PO 4) 2 (M= Ca and Sr) by means of magnetization, specific heat, P …