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Novel massive ground states of spin chains in a magnetic field

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The European Physical Journal B - Condensed Matter and Complex Systems Aims and scope Submit manuscript

Abstract:

Novel massive quantum states appearing in spin chains under a strong magnetic field are discussed. These states lead to plateaus in magnetization curves. When the systems are axially symmetric and the field is applied parallel to the symmetry-axis, the phenomena are analogous to metal-insulator transitions. Striking features of the plateau phenomena - exactness and rationality - are explained as consequences the commensurability condition to the underlying lattice. The effects of the planar anisotropy are also discussed in detail.

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Authors and Affiliations

  1. The Institute of Physical and Chemical Research (RIKEN), Wako, Saitama, 351-01, Japan, , , , , , JP

    K. Totsuka

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  1. K. Totsuka
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Received: 16 February 1998 / Revised: 20 April 1998 / Accepted: 30 April 1998

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Totsuka, K. Novel massive ground states of spin chains in a magnetic field. Eur. Phys. J. B 5, 705–717 (1998). https://doi.org/10.1007/s100510050494

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  • DOI: https://doi.org/10.1007/s100510050494

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