Derivation of a matrix-valued Boltzmann equation for the Hubbard model (Q2871960)
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scientific article; zbMATH DE number 6244874
| Language | Label | Description | Also known as |
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| English | Derivation of a matrix-valued Boltzmann equation for the Hubbard model |
scientific article; zbMATH DE number 6244874 |
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Derivation of a matrix-valued Boltzmann equation for the Hubbard model (English)
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14 January 2014
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matrix-valued Boltzmann equation
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Hubbard model.
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Originally, the Hubbard model is a simplified description of electrons in a solid, for which the lattice periodic potential is treated in the tight binding approximation and the interaction between electronic is reduced to an on-site potential. The authors derived the Boltzmann-type equation for the Hubbard model, the equation is valid for weak interaction and a time-dependent perturbation expansion up to second is used.
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