Intuitively, the integrated density of states (IDS) measures how many electron energy levels can be found below a given energy per unit volume of a solid. An alternative name for this quantity is spectral distribution function. It can be used to calculate the free energy and hence all basic thermodynamic quantities of the corresponding non-interacting many-particle system.
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© 2008 Springer-Verlag Berlin Heidelberg
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(2008). Existence of the Integrated Density of States. In: Existence and Regularity Properties of the Integrated Density of States of Random Schrödinger Operators. Lecture Notes in Mathematics, vol 1917. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-72691-3_2
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DOI: https://doi.org/10.1007/978-3-540-72691-3_2
Publisher Name: Springer, Berlin, Heidelberg
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