XY behaviour of the 2D antiferromagnet in a field

by: A Cuccoli, T Roscilde, R Vaia, P Verrucchi

Journal of Magnetism and Magnetic Materials, Vol. 272-276, No. Part 2. (May 2004), pp. 884-885.

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摘要

The quantum Heisenberg antiferromagnet on the square lattice in a uniform arbitrary magnetic field is studied by means of quantum Monte Carlo simulations. The applied field induces an effective easy-plane anisotropy and consequently a Berezhinskii-Kosterlitz-Thouless (BKT) transition: the expected BKT behaviour is observed to persist both in the limit of vanishing field and near the saturation field. Experimental implications are discussed.

@article{citeulike:2503864, abstract = {The quantum Heisenberg antiferromagnet on the square lattice in a uniform arbitrary magnetic field is studied by means of quantum Monte Carlo simulations. The applied field induces an effective easy-plane anisotropy and consequently a Berezhinskii-Kosterlitz-Thouless (BKT) transition: the expected BKT behaviour is observed to persist both in the limit of vanishing field and near the saturation field. Experimental implications are discussed.}, author = {Cuccoli, A. and Roscilde, T. and Vaia, R. and Verrucchi, P. }, booktitle = {Proceedings of the International Conference on Magnetism (ICM 2003)}, citeulike-article-id = {2503864}, doi = {http://dx.doi.org/10.1016/j.jmmm.2003.12.605}, journal = {Journal of Magnetism and Magnetic Materials}, keywords = {2004, quantum\_magnetism, quantum\_world, verrucchi}, month = {May}, number = {Part 2}, pages = {884--885}, posted-at = {2008-03-10 18:05:59}, priority = {2}, title = {XY behaviour of the 2D antiferromagnet in a field}, url = {http://dx.doi.org/10.1016/j.jmmm.2003.12.605}, volume = {272-276}, year = {2004} }

RIS record

TY - JOUR ID - citeulike:2503864 L3 - citeulike-article-id:2503864 N2 - The quantum Heisenberg antiferromagnet on the square lattice in a uniform arbitrary magnetic field is studied by means of quantum Monte Carlo simulations. The applied field induces an effective easy-plane anisotropy and consequently a Berezhinskii-Kosterlitz-Thouless (BKT) transition: the expected BKT behaviour is observed to persist both in the limit of vanishing field and near the saturation field. Experimental implications are discussed. IS - Part 2 JF - Journal of Magnetism and Magnetic Materials EP - 885 TI - XY behaviour of the 2D antiferromagnet in a field VL - 272-276 T2 - Proceedings of the International Conference on Magnetism (ICM 2003) SP - 884 KW - 2004 KW - quantum_magnetism KW - quantum_world KW - verrucchi AU - Cuccoli, A AU - Roscilde, T AU - Vaia, R AU - Verrucchi, P PY - 2004/05// UR - http://dx.doi.org/10.1016/j.jmmm.2003.12.605 ER -

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