Meron-Cluster Simulation of Quantum Spin Ladders in a Magnetic Field

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dc.creatorChandrasekharan, S.
dc.creatorScarlet, B.
dc.creatorWiese, U. -J.
dc.date1999-09-30
dc.date.accessioned2026-07-07T03:14:42Z
dc.date.available2026-07-07T03:14:42Z
dc.descriptionNumerical simulations of numerous quantum systems suffer from the notorious sign problem. Meron-cluster algorithms lead to an efficient solution of sign problems for both fermionic and bosonic models. Here we apply the meron concept to quantum spin systems in an arbitrary external magnetic field, in which case standard cluster algorithms fail. As an example, we simulate antiferromagnetic quantum spin ladders in a uniform external magnetic field that competes with the spin-spin interaction. The numerical results are in agreement with analytic predictions for the magnetization as a function of the external field.
dc.description23 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/9909451
dc.identifierhttp://arxiv.org/abs/cond-mat/9909451
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/29772
dc.subjectStatistical Mechanics
dc.subjectHigh Energy Physics - Lattice
dc.titleMeron-Cluster Simulation of Quantum Spin Ladders in a Magnetic Field
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