Density matrix technique for ground state calculations

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Croo de Jongh, du, M.S.L. and Doumen, J.M. and Leeuwen, van, J.M.J. (1999) Density matrix technique for ground state calculations. Computer Physics Communications, 121/12 (Sept/O). pp. 483-488. ISSN 0010-4655

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Abstract:The density matrix approach is a technique to calculate the lowest eigenvalue of a large matrix such as occurring in quantum mechanical systems. So far the method works very well for systems with a linear structure. The limitations for a planar structure, from critical correlations and from slowdown, due to the existence of slow modes, will be discussed using the transverse Ising model as illustration.
Item Type:Article
Copyright:Elsevier Science B.V.
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Link to this item:http://purl.utwente.nl/publications/55823
Official URL:http://dx.doi.org/10.1016/S0010-4655(99)00387-2
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