… A more general result that is applicable to both nondegenerate and degenerate carrier
systems has the form e D d n / d ε F = n μ , where ε F denotes the Fermi energy. Similar equations …

… Graphical expansions are used in Chapter 5 to extend the Feynman-Kleinert variational
approach into a systematic coriutionol perturbation theory. Analytically inaccessible path …

… the inequality 2 σ p σ x / ħ ≳ N 1 3 . For an atom number N ∼ 10 6 , the right-hand side of
the … the product of the widths is actually much larger than N 1 3 . This means that in order to …

Motivated by the discovery of errors in six of the 135 diagrams in the published five-loop
expansions of the β-function and the anomalous dimensions of the O(n)-symmetric φ 4 -theory …

… They can fix atmospheric N 2 and contribute the fixed N to soils and plant N budgets. In
legumes, the availability of P does not only affect nodule development, but also …

*) The experimental work was carried out partly at the Pulp and Paper Research Institute of
Canada, Montreal, and partly at the National Research Council, Ottawa.**) Theodor N. …

… primarily of N-truncated Aβ 42 in complete absence of Aβ 40 . These data indicate that N-…
of APP processing should not result in secretion of an equally toxic N-truncated Aβ 42 . …

… with two coupling constants associated with an O(N)-symmetric and a cubic interaction. …
O(N)-symmetric, Ising, and cubic. The results suggest the stability of the cubic fixed point for N ≥ …

… Studies on lignins isolated from spruce wood decayed by Poria subacida B n. … Introduction
In preceding investigations of organosolv pulping of wood with aqueous ethanol (Kleinert …

… The latter is an outcome of the Feynman-Kleinert variational approach to path integrals
discussed in two earlier books of the author, one representing a comprehensive treatise on path …