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7 papers · 1 filter
Density matrix renormalisation group for a quantum spin chain at non-zero temperature
R. J. Bursill, T. Xiang, G. A. Gehring
We apply a recent adaptation of White's density matrix renormalisation group (DMRG) method to a simple quantum spin model, the dimerised chain, in order to assess the applicab…
Applications of the density matrix renormalisation group to problems in magnetism
G. A. Gehring, R. J. Bursill, T. Xiang
We review White's density matrix renormalisation group method, an increasingly popular method for the solution of low dimensional quantum Hamiltonians. We describe some application…
The Grammar of Sense: Is word-sense tagging much more than part-of-speech tagging?
Yorick Wilks, Mark Stevenson
This squib claims that Large-scale Automatic Sense Tagging of text (LAST) can be done at a high-level of accuracy and with far less complexity and computational effort than has bee…
Mass Limit for the Lightest Neutralino
The ALEPH Collaboration
Indirect limits on the mass of the lightest neutralino are derived from the results of searches for charginos, neutralinos, and sleptons performed with data taken by the ALEPH Coll…
Resolving Anaphors in Embedded Sentences
Saliha Azzam
We propose an algorithm to resolve anaphors, tackling mainly the problem of intrasentential antecedents. We base our methodology on the fact that such antecedents are likely to occ…
Soft X-ray properties of a complete sample of radio sources
J. Siebert, W. Brinkmann, R. Morganti +4
We present the soft X-ray (0.1--2.4 keV) properties of a complete sample of 88 southern radio sources derived from the Wall \& Peacock 2-Jy sample. It comprises 68 radio galaxies,…