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:
Journal Article
Journal or Publication Title:
Journal of Low Temperature Physics
Uncontrolled Keywords:
/dk/atira/pure/core/keywords/physics
Subjects:
?? physicsgeneral materials scienceatomic and molecular physics, and opticscondensed matter physicsmaterials science(all)qc physics ??
ID Code:
58113
Deposited By:
Deposited On:
24 Oct 2012 08:54
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 09:10