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Response of a stabilized-jellium surface to a static electric field

Response of a stabilized-jellium surface to a static electric field,10.1016/0039-6028(95)00156-5,Surface Science,A. Kiejna

Response of a stabilized-jellium surface to a static electric field  
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The density-functional theory is employed to calculate the response of simple-metal surfaces, represented by the semi-infinite stabilized-jellium model, to a static electric field oriented normal to the surface. The electron density distributions calculated self-consistently for the neutral metal and in the presence of a weak external field are used to determine the first moments of the linear and second-order induced charge density distributions. The static image plane position determined by the centroid of the linearly induced density is compared with the results for ordinary jellium. The calculated Rudnick-Stern parameter, which is a measure of the normal component of the second-harmonic response, is significantly reduced for high density metals and slightly increased for low density metals relative to the corresponding values for jellium.
Journal: Surface Science - SURFACE SCI , vol. 331, pp. 1167-1171, 1995
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