29 research outputs found

    Crop residue harvest for bioenergy production and its implications on soil functioning and plant growth: A review

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    On the influence of non-nearest neighbor interactions and anharmonicity on the atomic properties of a crystal surface: One-dimensional model

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    We describe self-consistently the effects of non-nearest neighbor interactions and anharmonicity on the atomic properties of a crystal surface. An approach is developed based on the unsymmetrized self-consistent field approximation (USF). The structural, dynamical and thermodynamic properties of a semi-infinite linear chain are studied in the classical limit. Expressions for the lattice relaxation in the vicinity of the surface, the mean-squared atomic displacements and for the surface energy and free energy are obtained. Quantitative estimates were made using the Lennard-Jones 6-12 interatomic potential
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