Effects of Impurities in Quasi-One-Dimensional S=1 Antiferromagnets

Details Effects of Impurities in Quasi-One-Dimensional S=1 Antiferromagnets Effects of Impurities in Quasi-One-Dimensional S=1 Antiferromagnets

2004-12-24

arxiv.org/abs/cond-mat/0412676v1

Prog. Theor. Phys. Suppl. 159, 412 (2005)

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 3 figures, manuscript for the proceedings of the International Symposium on Qnautum Spin Systems (QSS04) held in Haya

Scientific paper

10.1143/PTPS.159.412

For the weakly coupled S=1 antiferromagnetic Heisenberg chains on a simple cubic lattice, the effects of magnetic impurities are investigated by the quantum Monte Carlo method with the continuous-time loop algorithm. The transition temperatures of the impurity-induced phase transitions for magnetic impurities with S=1/2, 3/2, and 2 are determined and compared with the transition temperature induced by the non-magnetic impurities. Implications on the experimental results are discussed.

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