C. Kaiser et I. Peschel, MAGNETIC ORDER NEAR SURFACES AND CORNERS OF A PLANAR HEISENBERG-ANTIFERROMAGNET, Journal of physics. Condensed matter, 6(6), 1994, pp. 1149-1154
We study the isotropic spin one-half antiferromagnet on square lattice
s with (10) surfaces and 90 degrees comers. The magnetization and corr
elations are calculated using the quantum Monte Carlo (QMC) method of
Suzuki and Trotter.