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Eur. Phys. J. B 7, 5-8
Rapid Note
A new model to describe the physics of 
A. Weiße1 - G. Bouzerar2 - H. Fehske1
1 Physikalisches Institut, Universität Bayreuth, 95440 Bayreuth, Germany
2 Institut für Theoretische Physik, Universität zu Köln,
50937 Köln, Germany
alexander.weisse@theo.phy.uni-bayreuth.de
Received: 29 May 1998 / Received in final form: 25 September 1998 / Accepted: 30 September 1998
Abstract
In the past different models for the magnetic salt vanadyl pyrophosphate
(VO)2P2O7 were discussed. Neither a spin ladder nor an
alternating chain are capable to describe recently measured magnetic
excitations. In this paper we propose a 2D model that fits better to
experimental observations.
PACS
75.10.-b General theory and models of magnetic ordering -
75.25.+z Spin arrangements in magnetically ordered materials
(including neutron and spin-polarized electron studies,
synchroton-source X-ray scattering, etc.) -
75.40.Mg Numerical simulation studies
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