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Selective renormalization in real space: A simple approach to intermediate-wavelength properties of granular structures

Shahtahmasebi, N. and Lambert, Colin (1988) Selective renormalization in real space: A simple approach to intermediate-wavelength properties of granular structures. Journal of Low Temperature Physics, 71 (1-2). pp. 87-95. ISSN 0022-2291

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Abstract

A new real-space renormalization technique is introduced, aimed at simplifying the computation of dynamical properties of granular structures at wavelengths of order a typical grain size. The technique consists in replacing the large number of atoms within a grain by a small number of rigid masses and choosing the couplings between the masses to reproduce the low-lying properties of the isolated grains. The transformation is shown to yield results that converge rapidly to the exact solution for the dynamical properties at intermediate wavelengths.

Item Type: Article
Journal or Publication Title: Journal of Low Temperature Physics
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 58113
Deposited By: ep_importer_pure
Deposited On: 24 Oct 2012 09:54
Refereed?: Yes
Published?: Published
Last Modified: 10 Apr 2014 00:08
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/58113

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