Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2000-08-04
Phys. Rev. Lett. 86, 5164 (2001)
Physics
Condensed Matter
Statistical Mechanics
4 pages, 6 figures. Minor modifications
Scientific paper
10.1103/PhysRevLett.86.5164
We introduce a Monte Carlo method, as a modification of existing cluster algorithms, which allows simulations directly on systems of infinite size, and for quantum models also at beta=infinity. All two-point functions can be obtained, including dynamical information. When the number of iterations is increased, correlation functions at larger distances become available. Limits q -> 0 and omega -> 0 can be approached directly. As examples we calculate spectra for the d=2 Ising model and for Heisenberg quantum spin ladders with 2 and 4 legs.
der Linden Wolfgang von
Evertz Hans Gerd
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