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1990 | 1 |
Article title

Topological Correlations in a Layer Adsorbed on a Crystal Surface

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Abstracts
EN
The incoherent scattering of electrons by a layer adsorbed at a single crystal surface is determined by the topological correlations of elements forming the adsorbed layer. The model for the description of atoms or molecules adsorbed on the surface is formulated in terms of occupation operators which are expressed in terms of pseudospin operators with a given spin value. The correlations can be determined by the fluctuation dissipation theorem in connection with the susceptibility or given directly by means of the Green functions properly chosen. An example of the topological or chemical disorder of two components is considered in detail. The calculations of the topological correlations allow us to find the incoherent scattering amplitude as a function of the surface coverage which can be experimentally detected.
Keywords
Year
Volume
1
Physical description
Dates
published
1990
References
Document Type
Publication order reference
Identifiers
URI
http://hdl.handle.net/11089/15889
YADDA identifier
bwmeta1.element.hdl_11089_15889
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