Magnetic response of the J1-J2 spin Hamiltonian from classical Monte Carlo and Schwinger boson mean field theory

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dc.creatorYang, Zhihua
dc.creatorKim, Jung Hoon
dc.creatorHan, Jung Hoon
dc.date2009-04-24
dc.date.accessioned2026-07-07T13:08:26Z
dc.date.available2026-07-07T13:08:26Z
dc.descriptionMagnetic susceptibilities at several potential ordering wave vectors (0,0), (π,0), and (π,π) are analyzed for the antiferromagnetic J1-J2 spin Hamiltonian by classical Monte Carlo and Schwinger boson mean field theories over the parameter range 0 \le 2J_2/J_1 \le 2. We find a nearly linear-T behavior of the uniform susceptibility that extends up to the temperature scale of J_1 within both calculation schemes when 2J_2/J_1 is sufficiently removed from the critical point 2J_2/J_1=1. The window of linear temperature dependence diminishes as the critical point is approached.
dc.description9 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/0904.3809
dc.identifierhttp://arxiv.org/abs/0904.3809
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/228416
dc.subjectStrongly Correlated Electrons
dc.titleMagnetic response of the J1-J2 spin Hamiltonian from classical Monte Carlo and Schwinger boson mean field theory
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